Is AI 3D-printed PSI an accurate option for patients with developmental dysplasia of the hip undergoing THA?

Table 2 Absolute error between preoperative planning and postoperative outcomes

	AIPSI Group	Control Group	P Value
Acetabular Component
Inclination Error > 5( °) *	5(16.7)	17(46.7)	0.003
Inclination Error > 10( °) *	0(0)	2(6.7)	0.492
Anteversion Error > 5°( °) *	3(10.0)	19(63.3)	<.001
Anteversion Error > 10°( °) *	0(0)	5(16.7)	0.052
Femoral Component
Normal FO (< ± 5 mm compared to CL) *	25(83.3)	13(43.3)	0.047
Postoperative Leg Length Discrepancy (LLD)
LLD (mm)	4.5 ± 2.0	6.4 ± 2.9	0.004
LLD > 10*	0(0)	3(10.0)	0.236

LLD leg length discrepancy, FO Femoral offset CL compared to the contralateral normal hip
Presented as the mean (ranges), except for those with* which are presented as n (%)

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