Table I.

Preoperative patient characteristics.

Variable	Posterior approach		p-value	Anterior approach		p-value
	Senior surgeon	New surgeon		Senior surgeon	New surgeon
Mean age, yrs (SD)	65.3 (11.5)	66.0 (12.6)	0.805*	62.8 (6.9)	60.2 (14.4)	0.378*
Sex, n (%)			0.605†			0.246†
Female	20 (66.7)	14 (46.7)		15 (50)	21 (70)
Male	10 (33.3)	16 (53.3)		15 (50)	9 (30)
Mean BMI, kg/m2 (SD)	31.5 (5.8)	30.8 (15.0)	0.605*	28.0 (3.7)	25.2 (3.9)	0.005*
Mean preoperative leg length discrepancy, mm (SD)	5 (3.8)	7.0 (5.5)	0.125*	2.5 (2.5)	4.1 (3.9)	< 0.001*
Mean preoperative Harris Hip Score (SD)	55.4 (12.3)	40.6 (11.9)	< 0.001*	53.8 (9.5)	47.4 (12.4)	0.036*

^*Independant-sample t-test

^†Chi-squared test

SD, standard deviation.