Royston P - Search Results

1

Development and validation of a prognostic model for survival time data: application to prognosis of HIV positive patients treated with antiretroviral therapy.

May M, Royston P, Egger M, Justice AC, Sterne JA; ART Cohort Collaboration. May M, et al. Among authors: royston p. Stat Med. 2004 Aug 15;23(15):2375-98. doi: 10.1002/sim.1825. Stat Med. 2004. PMID: 15273954

2

Prognostic model for HIV-1 disease progression in patients starting antiretroviral therapy was validated using independent data.

May M, Porter K, Sterne JA, Royston P, Egger M. May M, et al. Among authors: royston p. J Clin Epidemiol. 2005 Oct;58(10):1033-41. doi: 10.1016/j.jclinepi.2005.02.015. J Clin Epidemiol. 2005. PMID: 16168349

3

Flexible parametric proportional-hazards and proportional-odds models for censored survival data, with application to prognostic modelling and estimation of treatment effects.

Royston P, Parmar MK. Royston P, et al. Stat Med. 2002 Aug 15;21(15):2175-97. doi: 10.1002/sim.1203. Stat Med. 2002. PMID: 12210632

4

A new measure of prognostic separation in survival data.

Royston P, Sauerbrei W. Royston P, et al. Stat Med. 2004 Mar 15;23(5):723-48. doi: 10.1002/sim.1621. Stat Med. 2004. PMID: 14981672

5

Construction and validation of a prognostic model across several studies, with an application in superficial bladder cancer.

Royston P, Parmar MK, Sylvester R. Royston P, et al. Stat Med. 2004 Mar 30;23(6):907-26. doi: 10.1002/sim.1691. Stat Med. 2004. PMID: 15027080

6

Multiple imputation for missing data in epidemiological and clinical research: potential and pitfalls.

Sterne JA, White IR, Carlin JB, Spratt M, Royston P, Kenward MG, Wood AM, Carpenter JR. Sterne JA, et al. Among authors: royston p. BMJ. 2009 Jun 29;338:b2393. doi: 10.1136/bmj.b2393. BMJ. 2009. PMID: 19564179 Free PMC article.

7

The use of restricted mean survival time to estimate the treatment effect in randomized clinical trials when the proportional hazards assumption is in doubt.

Royston P, Parmar MK. Royston P, et al. Stat Med. 2011 Aug 30;30(19):2409-21. doi: 10.1002/sim.4274. Epub 2011 May 25. Stat Med. 2011. PMID: 21611958

8

Simplifying a prognostic model: a simulation study based on clinical data.

Ambler G, Brady AR, Royston P. Ambler G, et al. Among authors: royston p. Stat Med. 2002 Dec 30;21(24):3803-22. doi: 10.1002/sim.1422. Stat Med. 2002. PMID: 12483768

9

A simulation study of predictive ability measures in a survival model I: explained variation measures.

Choodari-Oskooei B, Royston P, Parmar MK. Choodari-Oskooei B, et al. Among authors: royston p. Stat Med. 2012 Oct 15;31(23):2627-43. doi: 10.1002/sim.4242. Epub 2011 Apr 26. Stat Med. 2012. PMID: 21520455

10

Simplified estimation of age-specific reference intervals for skewed data.

Wright EM, Royston P. Wright EM, et al. Among authors: royston p. Stat Med. 1997 Dec 30;16(24):2785-803. doi: 10.1002/(sici)1097-0258(19971230)16:24<2785::aid-sim797>3.0.co;2-z. Stat Med. 1997. PMID: 9483714

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