2.

术前与术后 3 个月 Harris 评分比较

Harris score comparing pre-operation and 3-months-post-operation of DAA and ALA for total hip arthroplasty

Group	Harris score of pre-operation	Harris score of post-operation	t	P
DAA, direct anterior approach; ALA, anterolateral approach.
DAA	33.4 ±15.5	88.7	-18.215	<0.01
ALA	38.6 ± 16.7	86.5	-17.831	<0.01