Schumacher M - Search Results

1

On the misuses of artificial neural networks for prognostic and diagnostic classification in oncology.

Schwarzer G, Vach W, Schumacher M. Schwarzer G, et al. Among authors: schumacher m. Stat Med. 2000 Feb 29;19(4):541-61. doi: 10.1002/(sici)1097-0258(20000229)19:4<541::aid-sim355>3.0.co;2-v. Stat Med. 2000. PMID: 10694735

2

Survival time models for analysing drug combination treatments.

Kübler J, Schumacher M. Kübler J, et al. Among authors: schumacher m. Stat Med. 1990 Dec;9(12):1527-39. doi: 10.1002/sim.4780091216. Stat Med. 1990. PMID: 2281240

3

Comparison of the Cox model and the regression tree procedure in analysing a randomized clinical trial.

Schmoor C, Ulm K, Schumacher M. Schmoor C, et al. Among authors: schumacher m. Stat Med. 1993 Dec 30;12(24):2351-66. doi: 10.1002/sim.4780122411. Stat Med. 1993. PMID: 8134738 Clinical Trial.

4

Randomized and non-randomized patients in clinical trials: experiences with comprehensive cohort studies.

Schmoor C, Olschewski M, Schumacher M. Schmoor C, et al. Among authors: schumacher m. Stat Med. 1996 Feb 15;15(3):263-71. doi: 10.1002/(SICI)1097-0258(19960215)15:3<263::AID-SIM165>3.0.CO;2-K. Stat Med. 1996. PMID: 8643884 Clinical Trial.

5

Effects of covariate omission and categorization when analysing randomized trials with the Cox model.

Schmoor C, Schumacher M. Schmoor C, et al. Among authors: schumacher m. Stat Med. 1997 Jan 15-Feb 15;16(1-3):225-37. doi: 10.1002/(sici)1097-0258(19970215)16:3<225::aid-sim482>3.0.co;2-c. Stat Med. 1997. PMID: 9004394

6

Estimation of prolongation of hospital stay attributable to nosocomial infections: new approaches based on multistate models.

Schulgen G, Schumacher M. Schulgen G, et al. Among authors: schumacher m. Lifetime Data Anal. 1996;2(3):219-40. doi: 10.1007/BF00128975. Lifetime Data Anal. 1996. PMID: 9384634

7

Resampling and cross-validation techniques: a tool to reduce bias caused by model building?

Schumacher M, Holländer N, Sauerbrei W. Schumacher M, et al. Stat Med. 1997 Dec 30;16(24):2813-27. doi: 10.1002/(sici)1097-0258(19971230)16:24<2813::aid-sim701>3.0.co;2-z. Stat Med. 1997. PMID: 9483716

8

Assessment and comparison of prognostic classification schemes for survival data.

Graf E, Schmoor C, Sauerbrei W, Schumacher M. Graf E, et al. Among authors: schumacher m. Stat Med. 1999 Sep 15-30;18(17-18):2529-45. doi: 10.1002/(sici)1097-0258(19990915/30)18:17/18<2529::aid-sim274>3.0.co;2-5. Stat Med. 1999. PMID: 10474158

9

Sample size considerations for the evaluation of prognostic factors in survival analysis.

Schmoor C, Sauerbrei W, Schumacher M. Schmoor C, et al. Among authors: schumacher m. Stat Med. 2000 Feb 29;19(4):441-52. doi: 10.1002/(sici)1097-0258(20000229)19:4<441::aid-sim349>3.0.co;2-n. Stat Med. 2000. PMID: 10694729

10

Estimation of extra hospital stay attributable to nosocomial infections: heterogeneity and timing of events.

Schulgen G, Kropec A, Kappstein I, Daschner F, Schumacher M. Schulgen G, et al. Among authors: schumacher m. J Clin Epidemiol. 2000 Apr;53(4):409-17. doi: 10.1016/s0895-4356(99)00182-1. J Clin Epidemiol. 2000. PMID: 10785572

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