Table 1.
Summary of the outcome from the OKS, WOMAC, and EQ-5D-5 L questionnaires
| n | Average score (IC 95%) |
Median (Interquartile range) |
|
|---|---|---|---|
| OKS | 395 | 22.0 (21.0–22.9) | 20.0 (14.0–27.0) |
| WOMAC pain | 396 | 46.2 (44.1–48.3) | 44.4 (30.0–60.0) |
| WOMAC rigidity | 396 | 45.5 (42.9–48.0) | 46.4 (25.0–62.5) |
| WOMAC impairment | 397 | 52.7 (50.5–55.0) | 48.5 (25.0–62.5) |
| EQ-5D-5 L utility | 393 | 0.54 (0.52–0.57) | 0.62 (0.39–0.74) |
| EQ-5D-5 L VAS | 390 | 57.0 (55.2–59.5) | 60.0 (45.0- 75.0) |
OKS Oxford Knee Score. Range 1–48. The better the score, the better the health condition
WOMAC Western Ontario and McMaster Universities Osteoarthritis Index. Scale range 1–100. The better the score, the worse the health condition
EQ-5D-5 L Utility score range 0–1, where 0 = condition comparable to death, and 1 = perfect health, although negative scores are allowed
EQ-5D-5 L VAS: Visual Analogue Scale. Range 0–100, where 0 = worst health condition, and 100 = best conceivable health condition