Torben Martinussen

Torben Martinussen

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    1. Published

      A Note on the Large Sample Properties of Estimators Based on Generalized Linear Models for Correlated Pseudo-observations

      Jacobsen, Martin & Martinussen, Torben, Sep 2016, In: Scandinavian Journal of Statistics. 43, 3, p. 845-862 18 p.

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

    2. Published

      A causal proportional hazards estimator under homogeneous or heterogeneous selection in an IV setting

      Sorensen, D. N., Martinussen, Torben & Tchetgen, E. T., 2019, In: Lifetime Data Analysis. 25, 4, p. 639-659 21 p.

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

    3. Published

      A first guide to statistical computations in R

      Martinussen, Torben, Skovgaard, I. & Sørensen, Helle, 2012, Biofolia/Samfundslitteratur.

      Research output: Book/Report › Book › Education

    4. Published

      A fresh look at shifting cultivation: fallow length an uncertain indicator of productivity

      Mertz, Ole, Wadley, R. L., Nielsen, U., Bruun, Thilde Bech, Colfer, C. J. P., de Neergaard, Andreas, Jepsen, Martin Rudbeck, Martinussen, Torben, Zhao, Q., Noweg, G. T. & Magid, Jakob, 2008, In: Agricultural Systems. 96, 1-3, p. 75-84 10 p.

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

    5. Published

      A likelihood based estimating equation for the Clayton-Oakes model with marginal proportional hazards

      Pipper, C. B. & Martinussen, Torben, 2003, In: Scandinavian Journal of Statistics. 30, 3, p. 509-521 12 p.

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

    6. Published

      A note on R: linear models and models with random effects

      Martinussen, Torben, Skovgaard, I. M. & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 60 p.

      Research output: Book/Report › Compendium/lecture notes › Education

    7. A protocol of no sedation for critically ill patients receiving mechanical ventilation: a randomised trial

      Strøm, T., Martinussen, Torben & Toft, P., 6 Feb 2010, In: Lancet. 375, 9713, p. 475-80 6 p.

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

    8. Published

      A ¤flexible additive multiplicative hazard model

      Martinussen, Torben & Scheike, T. H., 2002, In: Biometrika. 89, 2, p. 283-298 16 p.

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

    9. Published

      A ¤nonparametric dynamic additive regression model for longitudinal data

      Martinussen, Torben & Scheike, T. H., 2000, In: Annals of Statistics. 28, p. 1000-1025

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

    10. Published

      A ¤semiparametric additive regression model for longitudinal data

      Martinussen, Torben & Scheike, T. H., 1999, In: Biometrika. 86, 3, p. 691-702 12 p.

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

    11. Published

      Aalen additive hazards change-point model

      Martinussen, Torben & Scheike, Thomas, 2007, In: Biometrika. 94, 4, p. 861-872 11 p.

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

    12. Published

      Acute phase response to surgery of varying intensity in horses: a preliminary study

      Jacobsen, Stine, Nielsen, J. V., Kjelgaard-Hansen, M., Tølbøll, T. H., Fjeldborg, Julie, Thomsen, M. H., Martinussen, Torben & Thøfner, M. B., 2009, In: Veterinary Surgery. 38, 6, p. 762-769 8 p.

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

    13. Published

      Administration of perioperative penicillin reduces postoperative serum amyloid A response in horses being castrated standing

      Busk, P., Jacobsen, Stine & Martinussen, Torben, 2010, In: Veterinary Surgery. 39, 5, p. 638-643 6 p.

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

    14. Age-dependent U-shaped risk functions and Aalen's additive risk model

      Martinussen, Torben & Sørensen, T. I. A., 1998, In: Biometrics. 54, 3, p. 989 1001 p.

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

    15. Published

      Alterations in CGRP and PACAP38 levels in cluster headache

      Snoer, A., Vollesen, A. L. H., Beske, R. P., Guo, S., Hoffmann, J., Fahrenkrug, J., Jorgesen, N. R., Martinussen, Torben, Jensen, Rigmor Højland & dlt446, dlt446, 2018, In: Journal of Headache and Pain. 19, O3.

      Research output: Contribution to journal › Conference abstract in journal › Research

    16. Published

      Alternatives to the Cox model

      Martinussen, Torben & Peng, L., 2016, Handbook of Survival Analysis. CRC Press, p. 49-75 27 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    17. Published

      An Additive-Multiplicative Restricted Mean Residual Life Model

      Mansourvar, Z., Martinussen, Torben & Scheike, Thomas, Jun 2016, In: Scandinavian Journal of Statistics. 43, 2, p. 487-504 18 p.

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

    18. Published

      An estimating equation for parametric shared frailty models with marginal additive hazards

      Pipper, C. B. & Martinussen, Torben, 2004, In: Journal of The Royal Statistical Society Series B-statistical Methodology. 66, 1, p. 207-220 14 p.

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

    19. Published

      Analysis of time-to-event for observational studies: Guidance to the use of intensity models

      Andersen, Per Kragh, Pohar Perme, M., van Houwelingen, H. C., Cook, R. J., Joly, P., Martinussen, Torben, Taylor, J. M. G., Abrahamowicz, M. & Therneau, T. M., 2021, In: Statistics in Medicine. 40, 1, p. 185-211 27 p.

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

    20. Anti-inflammatory effects of intra-articular administration of morphine in horses with experimentally induced synovitis

      Lindegaard, C., Gleerup, K. B., Thomsen, M. H., Martinussen, Torben, Jacobsen, S. & Andersen, P. H., 2010, In: American Journal of Veterinary Research. 71, 1, p. 69-75 7 p.

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

    21. Published

      Associations among symptoms of dieback in even-aged stands of ash (Fraxinus excelsior L.)

      Skovsgaard, J. P., Thomsen, Iben Margrete, Skovgaard, I. & Martinussen, Torben, 2010, In: Forest Pathology. 40, 1, p. 7-18 12 p.

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

    22. Published

      Assumption-Lean Cox Regression

      Vansteelandt, S., Dukes, O., Van Lancker, K. & Martinussen, Torben, 2024, In: Journal of the American Statistical Association. 119, 545, p. 475-484 10 p.

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

    23. Published

      Atorvastatin impairs liver mitochondrial function in obese Göttingen Minipigs but heart and skeletal muscle are not affected

      Christiansen, L. B., Dohlmann, T. L., Ludvigsen, T. P., Parfieniuk, E., Ciborowski, M., Szczerbinski, L., Kretowski, A., Desler, Claus, Tiano, L., Orlando, P., Martinussen, Torben, Olsen, Lisbeth Høier & Larsen, Steen, 2021, In: Scientific Reports. 11, 15 p., 2167.

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

    24. Published

      Breeding Restrictions Decrease the Prevalence of Myxomatous Mitral Valve Disease in Cavalier King Charles Spaniels over an 8-to 10-Year Period

      Birkegård, A. C., Reimann, Maria Josefine, Martinussen, Torben, Haggstrom, J., Pedersen, H. D. & Olsen, Lisbeth Høier, 2016, In: Journal of Veterinary Internal Medicine. 30, 1, p. 63-68 6 p.

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

    25. Published

      CLIMAITE - a three factor climate change ecosystem manipulation experiment: Geophysical Research Abstracts, Vol. 10, EGU2008-A-07931, 2008. SRef-ID: 1607-7962/gra/EGU2008-A-07931. EGU General Assembly 13-18 April 2008 in Vienna, Switzerland

      N. Mikkelsen, T., Beier, C., Jonasson, S. E., Holmstrup, M., Schmidt, I. K., Ambus, P. L., Pilegaard, K., Michelsen, A., Albert, K., Andresen, L. C., Arndal, M. F., Bruun, N., Christensen, S., Danbæk, S., Gundersen, P., Jørgensen, P., J. Linden, L., Pedersen, J. K., Maraldo, K., Priemé, A. & 11 others, Riis-Nielsen, T., Ro-Poulsen, Helge, Andersen, K. S., Selsted, M., Sørensen, P., S. Larsen, K., S. Carter, M., Ibrom, A., Martinussen, Torben, Miglietta, F. & Sverdrup, H., 2008.

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

    26. Published

      Calcitonin-gene related peptide and disease activity in cluster headache

      Snoer, A., Vollesen, A. L. H., Beske, R. P., Guo, S., Hoffmann, J., Fahrenkrug, J., Jørgensen, Niklas Rye, Martinussen, Torben, Jensen, Rigmor Højland & dlt446, dlt446, 2019, In: Cephalalgia. 39, 5, p. 575-584

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

    27. Published

      Causality and the Cox Regression Model

      Martinussen, Torben, 2022, In: Annual Review of Statistics and Its Application. 9, p. 249-259 11 p.

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

    28. Published

      Cellular, hemostatic, and inflammatory parameters of the surgical stress response in pigs undergoing partial pericardectomy via open thoracotomy or thoracoscopy

      van Lue, A. P., Strøm, H., Lee, M. H., Jensen, Asger Lundorff, Birck, M. M., Wiinberg, B., Kjelgaard-Hansen, M. J., Martinussen, Torben & Kristensen, Annemarie T., 2007, In: Surgical Endoscopy. 21, 5, p. 785-792 8 p.

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

    29. Published

      Cereulide formation by Bacillus weihenstephanensis and mesophilic emetic Bacillus cereus at temperature abuse depends on pre-incubation conditions

      Thorsen, L., Budde, B. B., Henrichsen, L., Martinussen, Torben & Jakobsen, M., 2009, In: International Journal of Food Microbiology. 134, 1-2, p. 133-139 7 p.

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

    30. Published

      Cereulide formation of emetic Bacillus weihenstephanensis and mesophilic emetic Bacillus cereus at temperature abuse depend on pre-incubation temperature and time

      Thorsen, L., Budde, B. B., Henrichsen, L., Martinussen, Torben & Jakobsen, M., 2008. 1 p.

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

    31. Published

      Characterization of canine superficial tumors using gray-scale B mode, color flow mapping, and spectral doppler ultrasonography - a multivariate study

      Nyman, H. T. A., Kristensen, Annemarie T., Lee, M. H., Martinussen, Torben & McEvoy, Fintan, 2006, In: Veterinary Radiology & Ultrasound. 47, 2, p. 192-198 7 p.

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

    32. Published

      Chronic alterations in growth hormone/insulin-like growth factor-I signaling lead to changes in mouse tendon structure

      Nielsen, R. H., Clausen, N. M., Schjerling, Peter, Larsen, J. O., Martinussen, Torben, List, E. O., Kopchick, J. J., Kjær, Michael & Heinemeier, K. M., Feb 2014, In: Matrix Biology. 34, p. 96-104 9 p.

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

    33. Published

      Clustered survival data with left-truncation

      Eriksson, Frank, Martinussen, Torben & Scheike, Thomas, Dec 2015, In: Scandinavian Journal of Statistics. 42, 4, p. 1149–1166 18 p.

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

    34. Published

      Comparison of B-mode and Doppler ultrasonographic findings with histologic features of benign and malignant mammary tumors in dogs

      Nyman, H. T. A., Nielsen, O. L., McEvoy, Fintan, Lee, M. H., Martinussen, Torben, Hellmén, E. & Kristensen, Annemarie T., 2006, In: American Journal of Veterinary Research. 67, 6, p. 985-991 7 p.

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

    35. Published

      Comparison of B-mode and Doppler ultrasonographic findings with histologic features of benign and malignant superficial lymph nodes in dogs

      Nyman, H. T. A., Lee, M. H., McEvoy, Fintan, Nielsen, O. L., Martinussen, Torben & Kristensen, Annemarie T., 2006, In: American Journal of Veterinary Research. 67, 6, p. 978-984 7 p.

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

    36. Published

      Comparison of the effects on insulin resistance and glucose tolerance of 6-mo high-monosaturated-fat, low-fat, and control diets

      Due, A. P., Larsen, T. M., Hermansen, K., Stender, Steen, Holst, Jens Juul, Toubro, S., Martinussen, Torben & Astrup, A., 2008, In: American Journal of Clinical Nutrition. 87, 4, p. 855-862 8 p.

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

    37. Published

      Comparison of the effects on insulin resistance and glucose tolerance of 6-mo high-monounsaturated-fat, low-fat, and control diets

      Due, A. P., Larsen, T. M., Hermansen, K., Stender, Steen, Holst, Jens Juul, Toubro, S., Martinussen, Torben & Astrup, A., 2008, In: American Journal of Clinical Nutrition. 87, 4, p. 855-862 8 p.

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

    38. Published

      Comparison of ultrasonography with histopathology of mammary tumors and superficial lymph nodes in dogs

      Nyman, H. T. A., McEvoy, Fintan, Lee, M. H., Nielsen, O. L., Martinussen, Torben & Kristensen, Annemarie T., 2006, Ikke angivet. EAVDI, p. 39 1 p. (Veterinary Radiology & Ultrasound; No. 4, Vol. 47).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    39. Published

      Corn-soy-blend fortified with phosphorus to prevent refeeding hypophosphatemia in undernourished piglets

      Hother Nielsen, A., Lykke Jensen, M., Martinussen, Torben, Poulsen, H. D., Mølgaard, Christian, Sangild, Per Torp, Briend, A., Hansen, C. F., Friis, Henrik, Michaelsen, Kim F. & Thymann, Thomas, 2017, In: P L o S One. 12, 1, 13 p., e0170043.

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

    40. Covariate selection for the semiparametric additive risk model

      Martinussen, Torben & Scheike, T., 2009, In: Scandinavian Journal of Statistics. 36, 4, p. 602 619 p.

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

    41. Published

      Cox regression with incomplete covariate measurements using the EM-algorithm

      Martinussen, Torben, 1999, In: Scandinavian Journal of Statistics. 26, p. 479-491 13 p.

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

    42. Published

      Cox regression with missing covariate data using a modified partial likelihood method

      Martinussen, Torben, Holst, K. K. & Scheike, Thomas, Oct 2016, In: Lifetime Data Analysis. 22, 4, p. 570–588 19 p.

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

    43. Published

      DNA vaccination of rainbow trout against viral hemorrhagic septicemia virus: a dose-response and time-course study

      Lorenzen, E., Einer-Jensen, K., Martinussen, Torben, LaPatra, S. E. & Lorenzen, N., 2000, In: Journal of Aquatic Animal Health. 12, 3, p. 167-180 14 p.

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

    44. Published

      Determinants of developmental coordination disorder in 7-year-old children: a study of children in the Danish National Birth Cohort

      Faebo Larsen, R., Mortensen, Laust Hvas, Martinussen, Torben & Nybo Andersen, Anne-Marie, Nov 2013, In: Developmental Medicine and Child Neurology. 55, 11, p. 1016-22 7 p.

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

    45. Published

      Development of upper gastrointestinal cancer in patients with symptomatic gallstones, cholecystectomy, and sphincterotomy: A nationwide cohort study

      Shabanzadeh, D. M., Martinussen, Torben & Sørensen, Lars Tue, 2022, In: Scandinavian Journal of Surgery. 111, 3, 9 p.

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

    46. Published

      Diabetes is a strong predictor of mortality during tuberculosis treatment: a prospective cohort study among tuberculosis patients from Mwanza, Tanzania

      Faurholt-Jepsen, Daniel, Range, N., PrayGod, G., Jeremiah, K., Faurholt-Jepsen, Maria , Aabye, M., Changalucha, J., Christensen, Dirk Lund, Grewal, H. M. S., Martinussen, Torben, Krarup, H., Witte, D. R., Andersen, A. B. & Friis, Henrik, 2013, In: Tropical Medicine & International Health. 18, 7, p. 822-829 8 p.

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

    47. Published

      Discussion of "A formal causal interpretation of the case-crossover design"

      Andersen, Per Kragh & Martinussen, Torben, 2023, In: Biometrics. 79, 2, 2 p.

      Research output: Contribution to journal › Editorial › Research › peer-review

    48. Published

      Discussion on "Causal mediation of semicompeting risks" by Yen-Tsung Huang

      Stensrud, M. J., Young, J. G. & Martinussen, Torben, 2021, In: Biometrics. 77, 4, p. 1160-1164 5 p.

      Research output: Contribution to journal › Editorial › Research › peer-review

    49. Published

      Discussion on the paper by Diggle, Farewell and Henderson: analysis of longitudinal data with drop-out: objectives, assumptions and a proposal

      Martinussen, Torben, 2007, In: Journal of the Royal Statistic Society, Series C: Applied Statistics. 56, 5, p. 541-542 2 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    50. Published

      Discussion on the paper by Zeng and Lin: "Maximum likelihood estimation in semiparametric regression models with censored data"

      Martinussen, Torben & Scheike, T. H., 2007, In: Journal of The Royal Statistical Society Series B-statistical Methodology. 69, 4, p. 539-541 3 p.

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

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