Table III.
Descriptive statistics for muscle strength of the operative side, NAHS and ED-5Q-5 L at 8 and 2 weeks pre-operative, and 12 weeks post-operative
| Outcome | 8 wks pre-op Mdn (IRQ) | 2 wks pre-op Mdn (IRQ) | 12 wks post-op Mdn (IRQ) |
|---|---|---|---|
| Hip abductiona Non-Int | 15.5 (10.9–18.3) | 13.6 (8.5–14.7) | 18.8 (14.7–23.3) |
| Hip abductiona Int | 16.6 (12.7–28.6) | 20.9 (15.6–31.3) | 20.9 (18.3–31.3) |
| Hip adductiona Non-Int | 14.8 (8.9–16.9) | 12.4 (8.2–14.8) | 17.2 (13.7–20.3) |
| Hip adductiona Int | 13.4 (13.0–19.5) | 19.3 (15.9–29.3) | 18.8 (16.4–28.3) |
| Hip flexiona Non-Int | 23.4 (15.5–32.7) | 18.9 (10.5–27.4) | 25.5 (20.3–34.5) |
| Hip flexiona Int | 27.3 (16.4–47.6) | 32.9 (28.8–51.2) | 36.1 (22.0–51.6) |
| Hip ext Rota Non-Int | 13.7 (11.4–15.8) | 13.9 (9.3–15.0) | 15.6 (15.2–20.0) |
| Hip Ext Rota Int | 15.3 (12.0–19.1) | 19.0 (13.7–22.3) | 18.4 (14.3–31.5) |
| Knee Extensiona Non-Int | 33.6 (20.2–44.5) | 25.1 (18.4–36.4) | 38.7 (30.8–63.3) |
| Knee Extensiona Int | 37.1 (22.1–53.1) | 49.0 (34.2–88.5) | 56.4 (39.5–104.5) |
| NAHS Non-Int | 54.4 (46.6–79.7) | 48.8 (36.6–64.4) | 85.0 (79.7–88.8) |
| NAHS Int | 60.0 (48.4–80.3) | 56.3 (51.3–76.3) | 91.3 (78.8–94.7) |
| EQ-5D-5L (SOH) Non-Int | 57.5 (50.0–76.3) | 55.0 (42.5–67.5) | 82.5 (75.0–85.0) |
| EQ-5D-5L (SOH) Int | 55.0 (50.8–60.0) | 75.0 (71.3–80.0) | 85.0 (81.3–89.5) |
aMuscle strength measured in pounds (lbs), operative side leg.
Mdn, median; IQR, interquartile range; wks, weeks;
Pre-op, pre-operative; Post-op, post-operative; Non-int, non-intervention group; Int, intervention group; Ext Rot, external rotation; NAHS, Non-Arthritic Hip Score; SOH, scale of health.