Table 3 Average scores of the OKS in patients after being clustered according to the terciles obtained from the WOMAC and EQ-5D-5 L questionnaires
OKS score for the lower tercile of the questionnaire distribution (CI 95%) | OKS score for the middle tercile of the questionnaire distribution (CI 95%) | OKS score for the top tercile of the questionnaire distribution (CI 95%) | |
|---|---|---|---|
WOMAC pain | 31.4 (30.0–32.7) | 20.5 (19.5–21.6) | 13.8 (12.7–14.9) |
WOMAC rigidity | 29.7 (28.2–31.3) | 22.1 (20.8–23.4) | 14.4 (13.3–15.4) |
WOMAC impairment | 32.0 (30.8–33.3) | 20.1 (19.1–21.0) | 13.1 (12.1–14.0) |
EQ-5D-5 L utility | 13.6 (12.5–14.6) | 21.1 (20.0–22.2) | 31.1 (29.7–32.4) |
EQ-5D-5 L VAS | 15.7 (14.0–17.3) | 21.5 (20.3–22.7) | 27.1 (25.3–28.9) |