Table 3.

Results of multiple logistic analysis of the venous segment and laterality of fresh thrombi and organized thrombi

	Fresh thrombi		Organized thrombi
	OR (95% CI)	P value	OR (95% CI)	P value
Venous segment
Proximal vein
Iliac vein	0.01 (0.003–0.03)	<.0001	0.002 (0.003–0.02)	<.0001
Femoral vein	0.10 (0.06–0.16)	<.0001	0.01 (0.004–0.03)	<.0001
Popliteal vein	0.34 (0.23–0.52)	<.0001	0.10 (0.06–0.15)	<.0001
Calf vein
Drainage veins of the soleal vein
Posterior tibial vein	0.41 (0.28–0.62)	<.0001	0.20 (0.13–0.30)	<.0001
Peroneal vein	0.51 (0.34–0.76)	.001	0.29 (0.19–0.44)	<.0001
Soleal vein	1	–	1	–
Non-drainage veins of the soleal vein
Anterior tibial vein	0.15 (0.09–0.23)	<.0001	0.06 (0.04–0.10)	<.0001
Gastrocnemius vein	0.17 (0.11–0.26)	<.0001	0.12 (0.07–0.18)	<.0001
Laterality
Left leg	1	–	1	–
Right leg	1.13 (0.90–1.43)	.29	1.18 (0.91–1.54)	.21

OR: odds ratio; CI: confidence intervel