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Traditional statistical methods for evaluating prediction models are uninformative as to clinical value: towards a decision analytic framework.

Vickers AJ, Cronin AM. Vickers AJ, et al. Semin Oncol. 2010 Feb;37(1):31-8. doi: 10.1053/j.seminoncol.2009.12.004. Semin Oncol. 2010. PMID: 20172362 Free PMC article. Review.

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The use of percentage change from baseline as an outcome in a controlled trial is statistically inefficient: a simulation study.

Vickers AJ. Vickers AJ. BMC Med Res Methodol. 2001;1:6. doi: 10.1186/1471-2288-1-6. Epub 2001 Jun 28. BMC Med Res Methodol. 2001. PMID: 11459516 Free PMC article.

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Unconventional therapies for cancer and cancer-related symptoms.

Vickers AJ, Cassileth BR. Vickers AJ, et al. Lancet Oncol. 2001 Apr;2(4):226-32. doi: 10.1016/S1470-2045(00)00293-X. Lancet Oncol. 2001. PMID: 11905768 Review.

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Underpowering in randomized trials reporting a sample size calculation.

Vickers AJ. Vickers AJ. J Clin Epidemiol. 2003 Aug;56(8):717-20. doi: 10.1016/s0895-4356(03)00141-0. J Clin Epidemiol. 2003. PMID: 12954462

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How many repeated measures in repeated measures designs? Statistical issues for comparative trials.

Vickers AJ. Vickers AJ. BMC Med Res Methodol. 2003 Oct 27;3:22. doi: 10.1186/1471-2288-3-22. BMC Med Res Methodol. 2003. PMID: 14580266 Free PMC article.

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Acupuncture for postchemotherapy fatigue: a phase II study.

Vickers AJ, Straus DJ, Fearon B, Cassileth BR. Vickers AJ, et al. J Clin Oncol. 2004 May 1;22(9):1731-5. doi: 10.1200/JCO.2004.04.102. J Clin Oncol. 2004. PMID: 15117996 Clinical Trial.

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Statistical considerations for use of composite health-related quality-of-life scores in randomized trials.

Vickers AJ. Vickers AJ. Qual Life Res. 2004 May;13(4):717-23. doi: 10.1023/B:QURE.0000021686.47079.0d. Qual Life Res. 2004. PMID: 15129882 Free PMC article.

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Incorporating predictions of individual patient risk in clinical trials.

Kattan MW, Vickers AJ. Kattan MW, et al. Among authors: vickers aj. Urol Oncol. 2004 Jul-Aug;22(4):348-52. doi: 10.1016/j.urolonc.2004.04.012. Urol Oncol. 2004. PMID: 15283895 Review.

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Risk assessment for biochemical recurrence prior to radical prostatectomy: significant enhancement contributed by human glandular kallikrein 2 (hK2) and free prostate specific antigen (PSA) in men with moderate PSA-elevation in serum.

Steuber T, Vickers AJ, Haese A, Becker C, Pettersson K, Chun FK, Kattan MW, Eastham JA, Scardino PT, Huland H, Lilja H. Steuber T, et al. Among authors: vickers aj. Int J Cancer. 2006 Mar 1;118(5):1234-40. doi: 10.1002/ijc.21474. Int J Cancer. 2006. PMID: 16152616 Free PMC article.

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Parametric versus non-parametric statistics in the analysis of randomized trials with non-normally distributed data.

Vickers AJ. Vickers AJ. BMC Med Res Methodol. 2005 Nov 3;5:35. doi: 10.1186/1471-2288-5-35. BMC Med Res Methodol. 2005. PMID: 16269081 Free PMC article.

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