Table 1 Baseline and clinical characteristics of patients with and without PE.

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

Variables

Total (n = 2929)

PE (n = 1198)

No PE (n = 1731)

P value

Age - years

57.0 ± 15.2

59.2 ± 14.5

55.4 ± 15.5

< 0.001

Male

1385 (47.3%)

595 (49.7%)

790 (45.6%)

0.035

Heart rate - bpm

 ≤ 100

2633 (89.9%)

1024 (85.5%)

1609 (93.0%)

< 0.001

 > 100

296 (10.1%)

174 (14.5%)

122 (7.1%)

SBP - mmHg

124.0 ± 18.1

125.0 ± 17.9

124.0 ± 18.2

0.145

LEDVT limb

 Left limb

1776 (60.6%)

677 (56.5%)

1099 (63.5%)

< 0.001

 Right limb

745 (25.4%)

301 (25.1%)

444 (25.6%)

 Bilateral limbs

408 (13.9%)

220 (18.4%)

188 (10.9%)

LEDVT type

 Proximal

2486 (84.9%)

1056 (88.1%)

1430 (82.6%)

< 0.001

 Distal

443 (15.1%)

142 (11.9%)

301 (17.4%)

Comorbidities

 Chronic heart failure

128 (4.4%)

86 (7.2%)

42 (2.4%)

< 0.001

 Paralytic stroke

136 (4.6%)

54 (4.5%)

82 (4.7%)

0.841

 Autoimmune disease

143 (4.9%)

55 (4.6%)

88 (5.1%)

0.602

 Nephrotic syndrome

56 (1.9%)

33 (2.8%)

23 (1.3%)

0.008

Risk factors

 Malignant tumor

379 (12.9%)

161 (13.4%)

218 (12.6%)

0.539

 Immobilization

813 (27.8%)

311 (26.0%)

502 (29.0%)

0.078

 Fracture of lower limb

261 (8.9%)

117 (9.8%)

144 (8.3%)

0.199

 Leg varicosities

161 (5.5%)

59 (4.9%)

102 (5.9%)

0.295

 Pregnancy/postpartum

120 (4.1%)

39 (3.3%)

81 (4.7%)

0.058

 Infection

199 (6.8%)

119 (9.9%)

80 (4.6%)

< 0.001

 Blood transfusion

123 (4.2%)

52 (4.3%)

71 (4.1%)

0.823

 Smoking

739 (25.2%)

322 (26.9%)

417 (24.1%)

0.096

D-dimer-µg/mL

4.4 (1.7–9.9)

5.8 (2.6–11.7)

3.6 (1.1–8.6)

< 0.001

AADD positive

2552 (87.1%)

1124 (93.8%)

1428 (82.5%)

< 0.001

IVCT

374 (12.8%)

192 (16.0%)

182 (10.5%)

< 0.001

  1. Data are presented as mean ± standard deviation, n (%), or median (interquartile range).
  2. PE pulmonary embolism, SBP systolic blood pressure, LEDVT lower extremity deep vein thrombosis, AADD age-adjusted D-dimer, IVCT inferior vena cava thrombosis.