Riley RD, Higgins JP, Deeks JJ. Interpretation of random effects meta-analyses. BMJ. 2011 Feb 10;342:d549. doi: 10.1136/bmj.d549.
Summary estimates of treatment effect from random effects meta-analysis give only the average effect across all studies. Inclusion of prediction intervals, which estimate the likely effect in an individual setting, could make it easier to apply the results to clinical practice.
Visualiza el resumen aqui, si te interesa me escribes a dpcuesta@hotmail.com y te lo envio.