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Table 1 Participant characteristics at baseline

From: Predictors of femoral shortening for pediatric developmental hip dysplasia surgery: an observational study in 435 patients

Characteristic All Hips
(n = 548)
femoral shortening
(n = 119)
No femoral shortening (n = 429) Odds ratio 95% CI P Value
Median age (IQR), months 23 (19–32) 39 (31–52.5) 21 (19–26) 1.11 1.09–1.14 <  0.001
Female sex, % 461 (84) 91 (76) 370 (86) 1.93 1.16–3.20 0.015
Left side, % 295 (54) 67 (56) 228 (53) 1.14 0.75–1.71 0.612
Mean BMI (range) 15.61 (8.41–25.97) 14.89 (10.65–25.97) 15.81 (8.41–24.85) 0.87 0.80–0.94 <  0.001
IHDI 4, % 461 (84) 118 (99) 343 (80) 29.59 4.08–214.80 <  0.001
  1. IQR interquartile range, BMI body mass index, IHDI international hip dysplasia institute