Claus Thorn Ekstrøm

Claus Thorn Ekstrøm

Professor

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    ORCID: 0000-0003-1191-373X

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    1. Published

      Oligofructose overload induces lameness in cattle

      Danscher, A. M., Enemark, Jörg Matthias Dehn, Telezhenko, E., Capion, Nynne, Ekstrøm, Claus Thorn, Thøfner, M. B. & Enemark, Jörg Matthias Dehn, 2009, In: Journal of Dairy Sciences. 92, 2, p. 607-616 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      One-year follow-up on liraglutide treatment for prediabetes and overweight/obesity in clozapine- or olanzapine-treated patients

      Svensson, C. K., Larsen, J. R., Vedtofte, L., Jakobsen, M. S. L., Jespersen, H. R., Jakobsen, M. I., Koyuncu, K., Schjerning, O., Nielsen, J., Ekstrøm, Claus Thorn, Correll, C. U., Vilsbøll, Tina & Fink-Jensen, Anders, 2019, In: Acta Psychiatrica Scandinavica. 139, 1, p. 26-36 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Outpatient treatment of alcohol use disorders among subjects 60+ years: design of a randomized clinical trial conducted in three countries (Elderly Study)

      Andersen, K., Bogenschutz, M. P., Bühringer, G., Behrendt, S., Bilberg, R., Braun, B., Ekstrøm, Claus Thorn, Forcehimes, A., Lizarraga, C., Moyers, T. B. & Søgaard Nielsen, A., 2015, In: B M C Psychiatry. 15, p. 1-11 11 p., 280.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Performance of genetic risk scores as an instrumental variable in pharmacoepidemiology

      Uddin, M. J., Ekstrøm, Claus Thorn & Nordentoft, Merete, 2019, In: Pharmacoepidemiology and Drug Safety. 28, S2, p. 317 1 p., 649.

      Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

    5. Published

      Physical exercise in the treatment of alcohol use disorder (AUD) patients affects their drinking habits: A randomized controlled trial

      Jensen, K., Nielsen, C., Ekstrøm, Claus Thorn & Roessler, K. K., 2019, In: Scandinavian Journal of Public Health. 47, 4, p. 462-468 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      Pixel-level signal modelling with spatial correlation for two-colour biology

      Ekstrøm, Claus Thorn, Bak, Søren & Rudemo, M., 2005, In: Statistical Applications in Genetics and Molecular Biology. 4, 1, p. 1-14 15 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      Pixel-level signal modelling with spatial correlation for two-colour microarrays

      Ekstrøm, Claus Thorn, Bak, Søren & Rudemo, M., 6 Apr 2005, In: Statistical Applications in Genetics and Molecular Biology. 4, 1, 6.

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      Predicting mortality and visualizing health care spending by predicted mortality in Danes over age 65

      Hansen, A. V., Mortensen, Laust Hvas, Ekstrøm, Claus Thorn, Trompet, S. & Westendorp, Rudi GJ, 2023, In: Scientific Reports. 13, 1, 7 p., 1203.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      Pregnancy and post-partum tuberculosis: a nationwide register-based case-control study, Denmark, 1990 to 2018

      Nordholm, A. C., Suppli, C. H., Norman, A., Ekstrøm, Claus Thorn, Ertberg, P., Koch, A., Lillebaek, Troels & Andersen, A. B., 2022, In: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin. 27, 12

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Primary closure of equine laryngotomy incisions: healing characteristics and complications of 180 cases

      Lindegaard, C., Karlsson, L., Ekstrøm, Claus Thorn & Fjeldborg, Julie, Sep 2016, In: Equine Veterinary Education. 28, 9, p. 512-519 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Psilocybin-assisted therapy for reducing alcohol intake in patients with alcohol use disorder: protocol for a randomised, double-blinded, placebo-controlled 12-week clinical trial (The QUANTUM Trip Trial)

      Jensen, M. E., Stenbæk, Dea Siggaard, Juul, T. S., Fisher, P. M., Ekstrøm, Claus Thorn, Knudsen, Gitte Moos & Fink-Jensen, Anders, 2022, In: BMJ Open. 12, 10, 12 p., 066019.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      Quantifying the trendiness of trends

      Jensen, Andreas Kryger & Ekstrøm, Claus Thorn, 20 Jan 2021, In: Journal of the Royal Statistical Society. Series C: Applied Statistics. 70, 1, p. 98-121 24 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Ranking of average treatment effects with generalized random forests for time-to-event outcomes

      Rytgaard, Helene Charlotte Wiese, Ekstrøm, Claus Thorn, Kessing, Lars Vedel & Gerds, Thomas Alexander, 2023, In: Statistics in Medicine. 42, 10, p. 1542-1564 23 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Reply to DM Hougaard et al.

      Nordfalk, Francisca & Ekstrøm, Claus Thorn, 2019, In: European Journal of Human Genetics. 27, p. 1628-1629 2 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Published

      SARS-CoV-2 seroprevalence among patients with severe mental illness: A cross-sectional study

      Sass, M. R., Juul, T. S., Skov, R., Iversen, Kasper, Harritshøj, L. H., Sørensen, E., Ostrowski, Sisse Rye, Andersen, Ove, Ekstrøm, Claus Thorn, Ullum, H., Nielsen, Jimmi, Hageman, I. & Fink-Jensen, Anders, 2022, In: PLoS ONE. 17, 3, 13 p., e0264325.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Search for variants of the gene-promoter and the potential phosphotyrosine encoding sequence of the insulin receptor substrate-2 gene: Evaluation of their relation with alterations in insulin secretion and insulin sensitivity

      Almind, K., Frederiksen, S. K., Bernal, D., Hansen, Torben, Ambye, L., Urhammer, Søren Asger, Ekstrøm, Claus Thorn, Berglund, L., Reneland, R., Lithell, H., White, M. F., Van Obberghen, E. & Pedersen, Oluf Borbye, 11 Oct 1999, In: Diabetologia. 42, 10, p. 1244-1249 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Sequential rank agreement methods for comparison of ranked lists

      Ekstrøm, Claus Thorn, Gerds, Thomas Alexander & Jensen, Andreas Kryger, 2019, In: Biostatistics. 20, 4, p. 582-598 17 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Social determinants of tuberculosis: a nationwide case-control study, Denmark, 1990-2018

      Nordholm, A. C., Andersen, A. B., Wejse, C., Norman, A., Ekstrøm, Claus Thorn, Andersen, P. H., Koch, A. & Lillebaek, Troels, 2022, In: International Journal of Epidemiology. 51, 5, p. 1446–1456 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      Sporting activity following colic surgery in horses

      Christophersen, M. T., Tnibar, A., Pihl, Tina, Andersen, P. H. & Ekstrøm, Claus Thorn, 2011, In: Equine Veterinary Journal. 43, Suppl. 40, p. 3-6 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Sporting activity following colic surgery in horses: A retrospective study

      Christophersen, M. T., Tnibar, A., Pihl, Tina, Andersen, P. H. & Ekstrøm, Claus Thorn, Nov 2011.

      Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

    21. Published

      Spot shape modelling and data transformations for microarrays

      Ekstrøm, Claus Thorn, Bak, Søren, Kristensen, C. & Rudemo, M. E., 2004, In: Bioinformatics. 20, 14, p. 2270-2278 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      Spot shape modelling and saturated pixels in microarrays

      Ekstrøm, Claus Thorn, Kristensen, C., Bak, Søren & Rudemo, M. E., 2003.

      Research output: Contribution to conference › Conference abstract for conference › Research

    23. E-pub ahead of print

      Statistical models for assessing agreement for quantitative data with heterogeneous random raters and replicate measurements

      Ekstrøm, Claus Thorn & Carstensen, B., 2024, (E-pub ahead of print) In: The International Journal of Biostatistics.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Structured exercise alters the gut microbiota in humans with overweight and obesity - A randomized controlled trial

      Kern, T., Blond, Martin Bæk, Hansen, T. H., Rosenkilde, M., Quist, Jonas Salling, Gram, A. S., Ekstrøm, Claus Thorn, Hansen, Torben & Stallknecht, Bente Merete, 2020, In: International Journal of Obesity. 44, p. 125-135 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      Studies of the variability of the genes encoding the insulin-like growth factor I receptor and its ligand in relation to type 2 diabetes mellitus

      Rasmussen, S. K., Lautier, C., Hansen, L., Echwald, S. M., Hansen, Torben, Ekstrøm, Claus Thorn, Urhammer, Søren Asger, Borch-Johnsen, K., Grigorescu, F., Smith, R. J. & Pedersen, Oluf Borbye, 1 Dec 2000, In: Journal of Clinical Endocrinology and Metabolism. 85, 4, p. 1606-1610 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    26. Published

      Studies of variability in the PTEN gene among Danish caucasian patients with Type II diabetes mellitus

      Hansen, L., Jensen, J. N., Ekstrøm, Claus Thorn, drb459, drb459, Hansen, Teis Schjals, Pedersen, Oluf Borbye & drb459, drb459, Feb 2001, In: Diabetologia. 44, 2, p. 237-240 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    27. Published

      Teaching ‘Instant Experience’ with Graphical Model Validation Techniques

      Ekstrøm, Claus Thorn, 2014, In: Teaching Statistics. p. 23 26 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    28. Published

      Technical Validation of Plot Designs by Use of Deep Learning

      Petersen, Anne Helby & Ekstrøm, Claus Thorn, 2024, In: The American Statistician. 78, 2, p. 220-228 26 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    29. Published

      The Ala/Va198 polymorphism of the hepatocyte nuclear factor-1α gene contributes to the interindividual variation in serum C-peptide response during an oral glucose tolerance test: Evidence from studies of 231 glucose- tolerant first degree relatives of type 2 diabetic probands

      Urhammer, Søren Asger, Hansen, Torben, Ekstrøm, Claus Thorn, Eiberg, Hans Rudolf Lytchoff & Pedersen, Oluf Borbye, 1 Dec 1998, In: Journal of Clinical Endocrinology and Metabolism. 83, 12, p. 4506-4509 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    30. Published

      The Bipolar Illness Onset study: research protocol for the BIO cohort study

      Kessing, Lars Vedel, Munkholm, K., Faurholt-Jepsen, M., Miskowiak, Kamilla, Nielsen, L. B., Frikke-Schmidt, Ruth, Ekstrøm, Claus Thorn, Winther, Ole, Pedersen, Bente Klarlund, Poulsen, Henrik Enghusen, McIntyre, R. S., Kapczinski, F., Gattaz, W. F., Bardram, J., Frost, M., Mayora, O., Knudsen, Gitte Moos, Phillips, M. & Vinberg, Maj, 2017, In: BMJ Open. 7, 6, 12 p., e015462.

      Research output: Contribution to journal › Journal article › Research › peer-review

    31. Published

      The K121Q variant of the human PC-1 gene is not associated with insulin resistance or type 2 diabetes among Danish Caucasians

      Rasmussen, S. K., Urhammer, Søren Asger, Pizzuti, A., Echwald, S. M., Ekstrøm, Claus Thorn, Hansen, L., Hansen, Torben, Borch-Johnsen, K., Frittitta, L., Trischitta, V. & Pedersen, Oluf Borbye, 2000, In: Diabetes. 49, 9, p. 1608-1611 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    32. Published

      The Pro12Ala variant of the PPARG gene is a risk factor for peroxisome proliferator-activated receptor-γ/α agonist-induced edema in type 2 diabetic patients

      Hansen, L., Ekstrøm, Claus Thorn, Tabanera Y Palacios, R., Anant, M., Wassermann, K. & Reinhardt, R. R., 1 Jan 2006, In: Journal of Clinical Endocrinology and Metabolism. 91, 9, p. 3446-3450 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    33. Published

      The R Primer: Second Edition

      Ekstrøm, Claus Thorn, Jul 2017, Second Edition ed. Florida: CRC Press. 408 p. (Chapman & Hall / C R C Series in Computer Science & Data Analysis).

      Research output: Book/Report › Book › Research › peer-review

    34. Published

      The R Primer

      Ekstrøm, Claus Thorn, 29 Aug 2011, CRC Press. 275 p.

      Research output: Book/Report › Book › Research › peer-review

    35. Published

      The R primer

      Ekstrøm, Claus Thorn, 2011, CRC Press. 299 p.

      Research output: Book/Report › Book › Research › peer-review

    36. Published

      The RESCueH Programme: Testing New Non-Pharmacologic Interventions for Alcohol Use Disorders: Rationale and Methods

      Søgaard Nielsen, A., Nielsen, B., Andersen, K., Roessler, K. K., Bühringer, G., Bogenschutz, M., Ekstrøm, Claus Thorn, Søgaard, J. & RESCueH Research Group, R. R. G., 2016, In: European Addiction Research. 22, 6, p. 306-317 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    37. Published

      The Wally plot approach to assess the calibration of clinical prediction models

      Blanche, Paul Frédéric, Gerds, Thomas Alexander & Ekstrøm, Claus Thorn, 15 Jan 2019, In: Lifetime Data Analysis. 25, 1, p. 150-167 18 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    38. E-pub ahead of print

      The causal effect of early retirement on medication use across sex and occupation: evidence from Danish administrative data

      Cremers, Jolien, Nielsen, Torben Heien & Ekstrøm, Claus Thorn, 2024, (E-pub ahead of print) In: European Journal of Health Economics.

      Research output: Contribution to journal › Journal article › Research › peer-review

    39. Published

      The cyanogenic glucoside composition of Zygaena filipendulae (Lepidoptera: Zygaenidae) as effected by feeding on wild-type and transgenic lotus populations with variable cyanogenic glucoside profiles

      Zagrobelny, Mika, Bak, Søren, Ekstrøm, Claus Thorn, Olsen, C. E. & Møller, Birger Lindberg, 2007, In: Insect Biochemistry and Molecular Biology. 37, 1, p. 10-18 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    40. Published

      The effect of two frequent amino acid variants of the hepatocyte nuclear factor-1α gene on estimates of the pancreatic β-cell function in Caucasian glucosetolerant first-degree relatives of type 2 diabetic patients

      Urhammer, Søren Asger, Møller, Ann, Nyholm, B., Ekstrøm, Claus Thorn, Eiberg, Hans Rudolf Lytchoff, Clausen, J. O., Hansen, Torben, Pedersen, Oluf Borbye & Schmitz, O., 20 Nov 1998, In: Journal of Clinical Endocrinology and Metabolism. 83, 11, p. 3992-3995 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    41. Published

      The impact of pedigree structure on heritability estimates

      Ekstrøm, Claus Thorn, 2009, In: Human Heredity. 68, 4, p. 243-251 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    42. Published

      The provision of thromboprophylaxis and the prediction of renal recovery in critically ill patients with acute kidney injury

      Robinson, S., Larsen, U. L., Zincuk, A., Zwisler, S., Ekstrøm, Claus Thorn, Nybo, M., Rasmussen, B. & Toft, P., 24 Apr 2015, In: Emergency Medicine. 1, 1, p. 1-6 6 p., 101.

      Research output: Contribution to journal › Journal article › Research › peer-review

    43. Published

      The role of parental education on the relationship between gestational age and school outcomes

      Bilsteen, Josephine Funck, Ekstrøm, Claus Thorn, Børch, K. & Nybo Andersen, Anne-Marie, 2021, In: Paediatric and Perinatal Epidemiology. 35, 6, p. 726-735 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    44. Published

      The use of genetic risk scores in pharmacogenetics studies-A simulation study

      Uddin, J., Nordentoft, Merete & Ekstrøm, Claus Thorn, 2018, p. 385-386. 2 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    45. Published

      The use of polygenic risk scores as a covariate in psychological studies

      Uddin, M. J., Hjorthøj, Carsten, Ahammed, T., Nordentoft, Merete & Ekstrøm, Claus Thorn, 2022, In: Methods in Psychology. 7, 100099.

      Research output: Contribution to journal › Journal article › Research › peer-review

    46. Published

      Transcriptomic and metabolomic characterization of rnt1-1, an Arabidopsis thaliana knockout in a metabolic branch point between primary and secondary metabolism

      Morant, M., Ekstrøm, Claus Thorn, Olsen, C. E., Møller, Birger Lindberg, Rudemo, M. E. & Bak, Søren, 2007. 1 p.

      Research output: Contribution to conference › Poster › Research

    47. Published

      Transcriptomic and metabolomic characterization of rnt1-1, an Arabidopsis thaliana knockout in a metabolic branch point between primary and secondary metabolism

      Morant, M., Ekstrøm, Claus Thorn, Olsen, C. E., Møller, Birger Lindberg, Rudemo, M. E. & Bak, Søren, 2006. 1 p.

      Research output: Contribution to conference › Poster › Research

    48. Published

      UDP-glycosyltransferases from the UGT73C subfamily in Barbarea vulgaris catalyse Sapogenin 3-O-glucosylation in Saponin-mediated Insect resistance

      Augustin, J. M., Drok, S., Shinoda, T., Sanmiya, K., Nielsen, J. K., Khakimov, Bekzod, Olsen, C. E., Hansen, E. H., Poulsen, V. K., Ekstrøm, Claus Thorn, Hauser, T. P. & Bak, Søren, 2012, In: Plant Physiology. 160, 4, p. 1881-1895 15 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    49. Published

      Unlocking the mechanisms of change in the MAMAACT intervention to reduce ethnic disparity in stillbirth and newborns' health: integration of evaluation findings

      Villadsen, Sarah Fredsted, Johnsen, H., Rasmussen, Trine Damsted, Ekstrøm, Claus Thorn, Sørensen, Janne, Azria, E., Rich-Edwards, J., Essén, B., Christensen, Ulla, Jervelund, Signe Smith & Nybo Andersen, Anne-Marie, 2024, In: Frontiers in health services. 4, 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    50. Published

      Unravelling natural resistance mechanisms in plants towards herbivorous insects

      Poulsen, V. K., Andersen, S. B., Ekstrøm, Claus Thorn, Nielsen, J. K., Olsen, C. E. & Bak, Søren, 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    51. Published

      Use of global untargeted metabolite profiling to identify correlation between natural variation in the metabolome and plant insect resistance

      Bak, Søren, Ekstrøm, Claus Thorn, Olsen, C. E., Nielsen, J. K., Rudemo, M. E. & Andersen, S. B., 2007. 1 p.

      Research output: Contribution to conference › Poster › Research

    52. Published

      Use of within-array and dye swap replicates for expression analysis in spotted microarrays

      Ekstrøm, Claus Thorn, Rudemo, M. E., Morant, M. & Bak, Søren, 2006. 1 p.

      Research output: Contribution to conference › Poster › Research

    53. Published

      Whole grain-rich diet reduces body weight and systemic low-grade inflammation without inducing major changes of the gut microbiome: a randomised cross-over trial

      Roager, H. M., Vogt, J. K., Kristensen, M. B., Hansen, L. B. S., Ibrügger, S., Mærkedahl, R. B., Bahl, M. I., Lind, M. V., Nielsen, R. L., Frøkiær, H., Gøbel, R. J., Landberg, R., Ross, A. B., Brix, S., Holck, J., Meyer, A. S., Sparholt, M. H., Christensen, A. F., Carvalho, V., Hartmann, B. & 18 others, Holst, Jens Juul, Rumessen, J. J., Linneberg, Allan René, Sicheritz-Pontén, T., Dalgaard, M. D., Blennow, Andreas, Frandsen, H. L., Villas-Bôas, S., Kristiansen, Karsten, drb459, drb459, Hansen, Torben, Ekstrøm, Claus Thorn, Ritz, C., Nielsen, H. B., Pedersen, Oluf Borbye, Gupta, R., Lauritzen, Lotte & Licht, T. R., Jan 2019, In: Gut. 68, 1, p. 83-93 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    54. Published

      dataMaid: Your Assistant for Documenting Supervised Data Quality Screening in R

      Petersen, Anne Helby & Ekstrøm, Claus Thorn, 2019, In: Journal of Statistical Software. 90, 6, 38 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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    ID: 922397