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There are 16971 results for: content related to: Dichotomizing a continuous outcome in cluster randomized trials: impact on power

  1. Towards power and sample size calculations for the comparison of two groups of patients with item response theory models

    Statistics in Medicine

    Volume 31, Issue 11-12, 20-30 May 2012, Pages: 1277–1290, Jean-Benoit Hardouin, Sarah Amri, Mohand-Larbi Feddag and Véronique Sébille

    Version of Record online : 8 NOV 2011, DOI: 10.1002/sim.4387

  2. A simulation study of predictive ability measures in a survival model II: explained randomness and predictive accuracy

    Statistics in Medicine

    Volume 31, Issue 23, 15 October 2012, Pages: 2644–2659, B. Choodari-Oskooei, P. Royston and Mahesh K.B. Parmar

    Version of Record online : 5 JUL 2012, DOI: 10.1002/sim.5460

  3. A comparison of estimators to evaluate the discriminatory power of time-to-event models

    Statistics in Medicine

    Volume 31, Issue 23, 15 October 2012, Pages: 2588–2609, Matthias Schmid and Sergej Potapov

    Version of Record online : 25 JUL 2012, DOI: 10.1002/sim.5464

  4. Regression calibration with more surrogates than mismeasured variables

    Statistics in Medicine

    Volume 31, Issue 23, 15 October 2012, Pages: 2713–2732, Victor Kipnis, Douglas Midthune, Laurence S. Freedman and Raymond J. Carroll

    Version of Record online : 29 JUN 2012, DOI: 10.1002/sim.5435

  5. Bootstrap-based inference on the difference in the means of two correlated functional processes

    Statistics in Medicine

    Volume 31, Issue 26, 20 November 2012, Pages: 3223–3240, Ciprian M. Crainiceanu, Ana-Maria Staicu, Shubankar Ray and Naresh Punjabi

    Version of Record online : 1 AUG 2012, DOI: 10.1002/sim.5439

  6. Aggregating published prediction models with individual participant data: a comparison of different approaches

    Statistics in Medicine

    Volume 31, Issue 23, 15 October 2012, Pages: 2697–2712, Thomas P.A. Debray, Hendrik Koffijberg, Yvonne Vergouwe, Karel G.M. Moons and Ewout W.  Steyerberg

    Version of Record online : 26 JUN 2012, DOI: 10.1002/sim.5412

  7. Profile likelihood-based confidence interval of the intraclass correlation for binary outcome data sampled from clusters

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3982–4002, Krishna K. Saha

    Version of Record online : 24 JUL 2012, DOI: 10.1002/sim.5489

  8. Causal inference for Mann–Whitney–Wilcoxon rank sum and other nonparametric statistics

    Statistics in Medicine

    Volume 33, Issue 8, 15 April 2014, Pages: 1261–1271, P. Wu, Y. Han, T. Chen and X.M. Tu

    Version of Record online : 16 OCT 2013, DOI: 10.1002/sim.6026

  9. Estimation of treatment effect under non-proportional hazards and conditionally independent censoring

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3504–3515, Adam P. Boyd, John M. Kittelson and Daniel L. Gillen

    Version of Record online : 4 JUL 2012, DOI: 10.1002/sim.5440

  10. Meta-analysis methods and models with applications in evaluation of cholesterol-lowering drugs

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3597–3616, Ming-Hui Chen, Joseph G. Ibrahim, Arvind K. Shah, Jianxin Lin and Hui Yao

    Version of Record online : 25 JUL 2012, DOI: 10.1002/sim.5462

  11. Variable selection for covariate-adjusted semiparametric inference in randomized clinical trials

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3789–3804, Shuai Yuan, Hao Helen Zhang and Marie Davidian

    Version of Record online : 26 JUN 2012, DOI: 10.1002/sim.5433

  12. A conditional likelihood approach for regression analysis using biomarkers measured with batch-specific error

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3896–3906, Ming Wang, W. Dana Flanders, Roberd M. Bostick and Qi Long

    Version of Record online : 24 JUL 2012, DOI: 10.1002/sim.5473

  13. You have full text access to this OnlineOpen article
    Dynamic randomization and a randomization model for clinical trials data

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3858–3873, Lee D. Kaiser

    Version of Record online : 5 JUL 2012, DOI: 10.1002/sim.5448

  14. A general approach for sample size calculation for the three-arm ‘gold standard’ non-inferiority design

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3579–3596, Kathrin Stucke and Meinhard Kieser

    Version of Record online : 4 JUL 2012, DOI: 10.1002/sim.5461

  15. Sensitivity of the discrete-time Kaplan–Meier estimate to nonignorable censoring: Application in a clinical trial

    Statistics in Medicine

    Volume 31, Issue 25, 10 November 2012, Pages: 2998–3010, Tao Liu and Daniel F. Heitjan

    Version of Record online : 16 JUL 2012, DOI: 10.1002/sim.5454

  16. You have full text access to this OnlineOpen article
    Misspecification of Cox regression models with composite endpoints

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3545–3562, Longyang Wu and Richard J. Cook

    Version of Record online : 27 JUN 2012, DOI: 10.1002/sim.5436

  17. Classification of samples into two or more ordered populations with application to a cancer trial

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3773–3786, D. Conde, M.A. Fernández, C. Rueda and B. Salvador

    Version of Record online : 19 JUL 2012, DOI: 10.1002/sim.5476

  18. Jointly modeling the relationship between longitudinal and survival data subject to left truncation with applications to cystic fibrosis

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3931–3945, Annalisa V. Piccorelli and Mark D. Schluchter

    Version of Record online : 11 JUL 2012, DOI: 10.1002/sim.5469

  19. You have full text access to this OnlineOpen article
    Quantifying the impact of between-study heterogeneity in multivariate meta-analyses

    Statistics in Medicine

    Volume 31, Issue 29, 20 December 2012, Pages: 3805–3820, Dan Jackson, Ian R. White and Richard D. Riley

    Version of Record online : 4 JUL 2012, DOI: 10.1002/sim.5453

  20. Comparing and combining data across multiple sources via integration of paired-sample data to correct for measurement error

    Statistics in Medicine

    Volume 31, Issue 28, 10 December 2012, Pages: 3748–3759, Yunda Huang, Ying Huang, Zoe Moodie, Sue Li and Steve Self

    Version of Record online : 5 JUL 2012, DOI: 10.1002/sim.5446