The deep vein thrombosis of lower limb after total hip arthroplasty: what should we care

Table 3 The logistic regression analysis on the risk factors of DVT in patients with THA

Variables	β	S`x	OR	95 %CI	p
Age > 70y	0.133	0.227	4.406	1.744 ~ 6.134	0.016
BMI ≥ 28	0.119	0.230	2.275	1.181 ~ 4.531	0.023
Diabetes	0.103	0.151	3.949	1.284 ~ 5.279	0.007
Bilateral joint replacements	0.147	0.183	2.272	1.402 ~ 4.423	0.033
Duration of surgery ≥ 120 min	0.149	0.102	3.081	1.293 ~ 5.308	0.026
Cemented prosthesis	0.126	0.117	2.435	1.104 ~ 4.315	0.042
Duration of days in bed > 3 days	0.113	0.124	1.566	1.182 ~ 1.994	0.037

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