Table 2 Subgroup analysis for the association between PE and IVCT.

From: Impact of inferior vena cava thrombosis on the prevalence of pulmonary embolism in patients with lower extremity deep vein thrombosis

Variables

IVCT (n = 374)

Non-IVCT (n = 2 555)

OR (95% CI)

P value

LEDVT limb

 Left

114 (53.0%)

563 (36.1%)

2.00 (1.50–2.67)

< 0.001

 Right

34 (56.7%)

267 (39.0%)

2.05 (1.20–3.50)

0.008

 Bilateral

44 (44.4%)

176 (57.0%)

0.61 (0.38–0.95)

0.030

LEDVT type

 Distal

7 (70.0%)

135 (31.2%)

5.15 (1.31–20.22)

0.019

 Proximal

185 (50.8%)

871 (41.0%)

1.48 (1.19–1.86)

0.001

  1. Binary logistic regression was performed to obtain the OR with a 95% CI of PE.
  2. PE pulmonary embolism, IVCT inferior vena cava thrombosis, LEDVT lower extremity deep vein thrombosis, OR odds ratio, CI confidence interval.
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