A prediction nomogram for deep venous thrombosis risk in patients undergoing primary total hip and knee arthroplasty: a retrospective study

Table 2 Multivariable logstic regression of develoment dataset.

Variable	β-Coefficient	SE	OR	OR 95% CI	p-value
Intercept	-6.257	NA	NA	NA	NA
Surgical site(Knee)	1.215	0.538	3.37	1.174–9.678	0.024*
BMI ≥ 25	0.2	0.519	1.221	0.442–3.374	0.7
Leg swelling	1.627	0.462	5.089	2.057–12.59	< 0.001*
TAT	0.063	0.013	1.065	1.038–1.093	< 0.001*
D-dimer	-0.015	0.018	0.985	0.951–1.019	0.379

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