A propensity score-matched analysis between patients with high hip dislocation after childhood pyogenic infection and Crowe IV developmental dysplasia of the hip in total hip arthroplasty with subtrochanteric shortening osteotomy

Table 3 Postoperative clinical outcomes

Variable	HDACI (n = 29)	DDH (n = 29)	P value
Postoperative LLD (cm)	1.2 ± 0.9	1.0 ± 0.7	0.459
Trendelenburg sign (no. of hips)	2	0	0.491
Postoperative Harris hip score	84.6 ± 6.2	88.3 ± 5.2	0.015
Postoperative modified MAP
Mean in points (mean ± SD)	14.7 ± 1.6	15.3 ± 1.6	0.149
Pain	5.7 ± 0.5	5.7 ± 0.6	0.821
Walking	4.6 ± 0.6	4.8 ± 0.6	0.147
ROM	4.5 ± 0.6	4.9 ± 0.6	0.035
SF-12
PCS	20.3 ± 1.6	20.9 ± 1.5	0.125
MCS	23.5 ± 1.7	24.1 ± 1.8	0.171

P < 0.05 indicated significant differences
HDACI high dislocation after childhood infection, DDH developmental dysplasia of the hip, LLD leg length discrepancy, MAP Merle d’Aubigné-Postel, ROM range of motion, SF-12 12-item short-form health survey questionnaire, MCS mental component summary, PCS physical component summary, SD standard deviation

ISSN: 1749-799X