Table 7 Post-hoc sensitivity analysis to explore the effect of poor outcome classification on the discriminative performance of the Orebro Musculoskeletal Pain Screening Questionnaire

All studies included

0.69–0.82

0.00% (0.64)

Schmidt et al. (2016) [48] removed (≥ 40%)

0.65–0.81

0.00% (0.60)

Grotle et al. (2006) [25] removed (≥ 20%)

0.69–0.82

0.00% (0.50)

Schmidt et al. (2016) [48] and Grotle et al. (2006) removed [25]

0.65–0.82

0.00% (0.42)