A critical review of methods used to determine the smallest worthwhile effect of interventions for low back pain

Ferreira, Manuela L.; Herbert, Robert D.; Ferreira, Paulo H.; Latimer, Jane; Ostelo, Raymond W.; Nascimento, Dafne P.; Smeets, Rob J.

doi:10.1016/j.jclinepi.2011.06.018

A critical review of methods used to determine the smallest worthwhile effect of interventions for low back pain

Objective To critically and systematically review methods used to estimate the smallest worthwhile effect of interventions for nonspecific low back pain. Study design and setting A computerized search was conducted of MEDLINE, CINAHL, LILACS, and EMBASE up to May 2011. Studies were included if th…