Estimates of meaningful within-patient change by WOMAC domain and study in original units.
| WOMAC Domain | Study | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 1-category Change in PGA-OA | 2-category Change in PGA-OA | 1-category Change in PGA-OA | 2-category Change in PGA-OA | 1-category Change in PGA-OA | 2-category Chan in PGA-OA | |
| Pain | 1.14 | 2.28 | 0.91 | 1.82 | 1.15 | 2.30 |
| (1.08–1.20) | (2.16–2.40) | (0.86–0.96) | (1.72–1.92) | (1.12–1.18) | (2.25–2.35) | |
| Physical Function | 1.14 | 2.28 | 0.85 | 1.70 | 1.13 | 2.26 |
| (1.08–1.20) | (2.16–2.40) | (0.81–0.90) | (1.61–1.80) | (1.11–1.16) | (2.21–2.32) | |
| Stiffness | 1.16 | 2.31 | 0.84 | 1.68 | 1.14 | 2.27 |
| (1.09–1.22) | (2.17–2.45) | (0.78–0.90) | (1.56–1.81) | (1.11–1.17) | (2.21–2.33) | |
| Total | 1.14 | 2.27 | 0.86 | 1.72 | 1.12 | 2.25 |
| (1.08–1.19) | (2.16–2.39) | (0.81–0.91) | (1.63–1.82) | (1.10–1.15) | (2.20–2.30) | |
95% CIs are shown for each value. PGA-OA: patient global assessment of osteoarthritis; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index.