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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