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Table 5 MCID values for the PROMs

From: Effect of medial open wedge high tibial osteotomy on progression of patellofemoral osteoarthritis

PROMs

Non-PF OA group

average change (%, above MCID)

PF OA group

average change (%, above MCID)

MCID

VAS

2.67 (79.5%)

2.81 (83.1%)

1.99

WOMAC

24.40 (66.3%)

26.89 (70.3%)

22.6

KSS pain

13.04 (92.8%)

17.01 (100%)

3.0

KSS function

20.54 (95.2%)

18.94 (100%)

5.6

  1. PROMs patient-reported outcome measures, MCID minimal clinically important difference using the ROC curve anchor method, VAS visual analog scale, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, KSS Knee Society score