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Table 3 Perioperative spinopelvic parameters between hip flexion contracture and no significant contracture groups

From: Sustained hip flexion contracture after femoral lengthening in patients with achondroplasia

  Hip FC group
(n = 13)
No significant contracture group
(n = 21)
Preoperative postoperative p-value preoperative postoperative p-value
PI (°) 42.1 (36.3–50.2)* 53.3 (29.2–65.5) 0.068 35.6 (30.0–47.8)* 36.0 (28.5–52.1) 0.317
PT (°) −2.5 (−6.7–12.2)* − 5.0 (− 26.0–24.0) 0.011† − 3.6 (− 7.3–6.0)* − 3.0 (− 26.0–17.0) 0.317
SS (°) 44.6 (37.4–55.6)* 74.3 (45.0–107.0) 0.001† 39.1 (22.1–47.0)* 40.0 (20.0–72.0) 0.919
LL (°) 47.1 (37.2–54.3)* 66.7 (45.0–87.0) 0.001† 43.2 (40.1–51.9)* 48.0 (40.8–66.0) 0.281
  1. FC flexion contracture, PT, pelvic tilt, PI pelvic incidence, SS sacral slope, LL lumbar lordosis
  2. *Data presented in parenthesis represent the range
  3. †Statistically significant