Incidence and risk factors of perioperative deep vein thrombosis in patients undergoing primary hip arthroplasty via the direct anterior approach

Table 2 Univariate analysis of risk factors for preoperative DVT

Risk factors	DVT group (n = 83)	Non-DVT group (n = 568)	P Value
Age (≥ 65 years vs < 65 years)	76/7	335/233	< 0.001
Sex (women vs men)	66/17	334/234	< 0.001
BMI (≥ 25 vs < 25)	20/63	194/374	0.068
Hypertension (yes vs no)	42/41	229/339	0.076
Diabetes (yes vs no)	18/65	61/507	0.004
Cardiovascular disease (yes vs no)	17/66	68/500	0.032
Cerebral infarction (yes vs no)	28/55	89/479	< 0.001
Tumor (yes vs no)	3/80	26/542	0.691
Anticoagulation (yes vs no)	11/72	41/527	0.058
Triglyceride (mmol/L)	1.0(0.8, 1.2)	1.1(0.8, 1.5)	0.029
Cholesterol (mmol/L)	4.1(3.6, 4.9)	4.3(3.7, 5.0)	0.200
Apolipoprotein A (g/L)	1.0(0.9, 1.2)	1.0(0.9, 1.1)	0.965
Apolipoprotein B (g/L)	0.8(0.6, 0.8)	0.8(0.6, 0.9)	0.294
Preoperative hemoglobin (g/L)	120.0(112.5, 136.5)	128.0(117.0, 137.0)	0.019
Preoperative RBC (10^12/L)	4.0(3.7, 4.6)	4.2(3.9, 4.6)	0.046
Preoperative HCT (L/L)	36.5(33.5, 40.6)	38.3(35.1, 41.2)	0.023
Preoperative platelet (10^9/L)	183.0(144.5, 218.0)	190.0(155.5, 236.0)	0.232
Preoperative PT (sec)	11.6(11.1, 12.3)	11.3(10.8, 12.0)	0.014
Preoperative APTT (sec)	27.3(25.8, 30.3)	27.3(25.8, 29.1)	0.463
Preoperative fibrinogen (g/L)	4.0(3.4, 4.8)	3.2(2.7, 3.8)	< 0.001
Preoperative TT (sec)	17.3(16.3, 18.1)	17.6(16.9, 18.5)	0.013
Preoperative D-dimer (mg/L)	2.9(1.6, 5.7)	0.8(0.4, 2.0)	< 0.001

BMI Body mass index, RBC Red blood cell, HCT Hematocrit, APTT Activated partial thromboplastin time, PT Prothrombin time, TT Thrombin time

ISSN: 1749-799X