Low P-values exclude nothing, and P-values are no substitute for measures of effect

Comment

Andreas Stang. J Clin Epidemiol. 2011 Apr.

. 2011 Apr;64(4):452-3; author reply 453.

doi: 10.1016/j.jclinepi.2010.11.003. Epub 2011 Jan 28.

No abstract available

Comment in

P-values are misunderstood, but do not confound.
Hooper R. Hooper R. J Clin Epidemiol. 2011 Sep;64(9):1047; author reply 1047. doi: 10.1016/j.jclinepi.2011.03.003. Epub 2011 May 4. J Clin Epidemiol. 2011. PMID: 21536411 No abstract available.

Reported effects in randomized controlled trials were compared with those of nonrandomized trials in cholecystectomy.
Müeller D, Sauerland S, Neugebauer EA, Immenroth M. Müeller D, et al. J Clin Epidemiol. 2010 Oct;63(10):1082-90. doi: 10.1016/j.jclinepi.2009.12.009. Epub 2010 Mar 25. J Clin Epidemiol. 2010. PMID: 20346627 Review.