A Comparison of the Incidences of Venous Thromboembolism after Total Hip Arthroplasty between the Direct Anterior Approach and the Direct Lateral Approach, Especially in the Early Period after Introduction of the Direct Anterior Approach

Table 2

Comparison of patients’ and surgical characteristics according to the period after introducing DAA.

	First half (n = 18)	Latter half (n = 18)	value
Female, n (%)	16 (88.9)	18 (100)	0.146
Age (years)	65.8 ± 10.8	64.4 ± 11.0	0.635
BMI (kg/m^2)	24.2 ± 2.7	23.7 ± 4.7	0.527
Surgical time (minutes)	147.7 ± 19.7	133.5 ± 14.9	0.046
Incidence of VTE, n (%)	6 (33.3)	1 (5.6)	0.035

DAA: direct anterior approach, BMI: body mass index, VTE: venous thromboembolism. Data represent mean ± SD or number of patients.