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Table 2 MCID and SCB thresholds

From: Predictors of substantial improvement in physical function six months after lumbar surgery: is early post-operative walking important? A prospective cohort study

Outcome

MCID (points change)

SCB (points change)

ODQ

10

18.8

SF-36 (PCS)

4.9

6.2

NPRS (back pain)

2

2.5

NRPS (leg pain)

1.6

2.5

  1. MCID Minimal Clinically Important Difference, SCB Substantial Clinical Benefit, ODQ Oswestry Disability Questionnaire, SF-36 Short Form 36 Physical Component Summary, NRPS Numerical Pain Rating Scale