Meta-analysis amplifies the conclusions of a systematic review. Comment on the systematic review of Vancampfort et al. ‘Progressive muscle relaxation in persons with schizophrenia: a systematic review of randomized controlled trials’
Restricted accessLetterFirst published online December, 2013
Meta-analysis amplifies the conclusions of a systematic review. Comment on the systematic review of Vancampfort et al. ‘Progressive muscle relaxation in persons with schizophrenia: a systematic review of randomized controlled trials’
VancampfortDCorrellCUScheeweTW. Progressive muscle relaxation in persons with schizophrenia: a systematic review of randomized controlled trials. Clin Rehabil2013; 27: 291–298.
2.
EllisPD. The essential guide to effect sizes: statistical power, meta-analysis, and the interpretation of research results. Cambridge: Cambridge University Press, 2010.
3.
FollmannDElliottPSuhICutlerJ. Variance imputation for overviews of clinical trials with continuous response. J Clin Epidemiol1992; 45: 769–773.
4.
ChenWCChuHLuRB. Efficacy of progressive muscle relaxation training in reducing anxiety in patients with acute schizophrenia. J Clin Nurs2009; 18: 2187–2196.
