Indicator | Pre-op clinical features | Overall (Pre-op) | Overall (Post-op) | P Valuea | |
---|---|---|---|---|---|
Crowe Type-III | Crowe Type-IV | ||||
No. of hips | 8 | 48 | 56 | 56 | Â |
Gender (No. of pts) | |||||
 Male | 0 | 9 | 9 | – |  |
 Female | 8 | 34 | 40 | – |  |
Affected side (No. of hips) | |||||
 Left | 3 | 21 | 24 | – |  |
 Right | 5 | 17 | 22 | – |  |
 Bilateral | 0 | 10 | 10 | – |  |
Harris Hip Score | |||||
 Mean in points (range) | 54.6 (48–59) | 38.2 (23–57) | 40.6 (23–59) | 87.4 (77–98) | <0.01 |
 Rating (no. of hips) |  |  |  |  |  |
  Excellent (90–100 points) | 0 | 0 | 0 | 15 |  |
  Good (80–89 points) | 0 | 0 | 0 | 39 |  |
  Fair (70–79 points) | 0 | 0 | 0 | 2 |  |
  Poor (<70) | 8 | 48 | 56 | 0 |  |
PMA | |||||
 Mean in points (range) | 7.6 (6–9) | 6.5 (4–9) | 6.6 (4–12) | 16 (14–18) | <0.01 |
  Pain | 2.5 (2–3) | 2.1 (1–4) | 2.2 (1–4) | 5.5 (5–6) | <0.01 |
  Motion | 2.4 (2–3) | 2.3 (1–3) | 2.3 (1–3) | 5.2 (5–6) | <0.01 |
  Function | 2.6 (2–3) | 2.0 (1–3) | 2.1 (1–3) | 5.3 (4–6) | <0.01 |
 Rating (no. of hips) | |||||
  Excellent (18 points) | 0 | 0 | 0 | 6 |  |
  Good (15–18 points) | 0 | 0 | 0 | 43 |  |
  Fair (12–15 points) | 0 | 0 | 0 | 7 |  |
  Poor (<12 points) | 8 | 48 | 56 | 0 |  |
Limp (no. of Pts.) | |||||
 Severe | 3 | 28 | 31 | 0 |  |
 Moderate | 4 | 15 | 19 | 3 |  |
 Slight | 1 | 5 | 6 | 11 |  |
 None | 0 | 0 | 0 | 42 |  |
Limb-length discrepancy | |||||
 Mean in mm (range) | 2.8 (2.1–3.7) | 4.4 (2.3–6.5) | 4.2 (2.1–6.5) | 1.1 (0.6–1.4) | <0.01 |
   < 1 cm (no. of hips) | 0 | 0 | 0 | 24 |  |
  1–2 cm (no. of hips) | 0 | 0 | 0 | 32 |  |
  2–3 cm (no. of hips) | 5 | 4 | 9 | 0 |  |
  3–4 cm (no. of hips) | 3 | 13 | 16 | 0 |  |
  4–5 cm (no. of hips) | 0 | 18 | 18 | 0 |  |
  5–6 cm (no. of hips) | 0 | 10 | 10 | 0 |  |
   > 6 cm (no. of hips) | 0 | 3 | 3 | 0 |  |
HOOS subscale scores | |||||
 Symptoms | 10.8 (8–12) | 8.8 (4–12) | 9.1 (4–12) | 16.6 (14–19) | <0.01 |
 Pain | 20.6 (17–24) | 15.9 (6–23) | 16.6 (6–24) | 36.5 (34–40) | <0.01 |
 Activities of daily living | 34.1 (32–37) | 28.7 (19–36) | 29.4 (19–37) | 60.9 (57–67) | <0.01 |
 Sports and recreation | 7.4 (5–8) | 5.5 (3–8) | 5.8 (3–8) | 12.8 (10–16) | <0.01 |
 Quality of life | 6.9 (5–8) | 5 (3–8) | 5.3 (3–8) | 13.7 (12–16) | <0.01 |
Trendelenburg sign (no. of hips) | |||||
 Yes | 6 | 47 | 53 | 1 |  |
 No | 2 | 1 | 3 | 55 |  |
SF-12 | |||||
 PCS | 15.5 (12–17) | 10.9 (6–16) | 11.6 (6–17) | 22.7 (19–25) | <0.01 |
 MCS | 18.3 (15–20) | 13.8 (9–19) | 14.4 (9–20) | 25.6 (22–29) | <0.01 |