[Retracted] Analysis of Related Influencing Factors of Deep Vein Thrombosis after Lumbar Internal Fixation and Treatment Strategy

Table 3

Multifactor analysis of DVT in patients after lumbar internal fixation.

Variables	B	SE	Walds	P	OR	95%CI
Age	0.912	0.533	4.394	0.043	2.489	1.384∼3.652
BMI	0.348	0.182	5.184	0.024	1.416	1.059∼2.018
Intraoperative blood transfusion	0.147	0.224	2.158	0.172	1.158	0.689∼1.782
Operation time	0.218	0.159	1.862	0.215	1.244	0.894∼1.631
Bed time	1.215	0.684	6.125	0.011	3.371	1.941∼5.063