Table 6.
Changes in the WOMAC questionnaire observed after a follow-up period of 6 months in patients that reported changes in their condition
| Pain is “much worse” N = 51 | Pain is “slightly worse” N = 82 | Pain is “slightly better” N = 61 | Pain is “much better” N = 47 | |||||
|---|---|---|---|---|---|---|---|---|
| WOMAC pain | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. |
| −9.9 (−14.9– −4.8) | 0.55 | −2.0 (−5.2–1.3) | 0.13 | 17.7 (13.1–22.3) | 0.98 | 28.8 (21.5–36.1) | 1.15 | |
| Rigidity is “much worse” N = 44 | Rigidity is “slightly worse” N = 85 | Rigidity is “slightly better” N = 52 | Rigidity is “much better” N = 42 | |||||
| WOMAC rigidity | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. |
| −13.1 (−20.9– −5.3) | 0.51 | −0.7 (−5.9–4.5) | 0.03 | 12.3 (5.1–19.4) | 0.48 | 30.1 (21.9–38.2) | 1.15 | |
| Impairment is “much worse” N = 47 | Impairment is “slightly worse” N = 90 | Impairment is “slightly better” N = 47 | Impairment is “much better” N = 31 | |||||
| WOMAC impairment | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. | Average change (CI 95%) |
E.S. |
| −10.5 (−15.2– −5.7) | 0.65 | −2.4 (−5.5–0.7) | 0.16 | 18.4 (12.3–24.4) | 0.89 | 38.6 (29.7–47.6) | 1.58 | |
E.S. Effect size
WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
Final scores were substracted from basal scores. This way, positive outcomes indicate improvement