Table 1: Patients’ demographics and clinical characteristics.

 

Total

N = 96,870

With Post-Discharge VTE N = 880 (0.9%)

Without Post-Discharge VTE N = 95,990 (99.1%)

P-Value

Variables

N (%)

N (%)

N (%)

 

Age*

n = 75,940

n = 694

n = 75,246

 

18 - 75

28,888 (38.0%)

237 (34.1%)

28,651 (38.1%)

0.034

≥ 75

47,052 (62.0%)

457 (65.9%)

46,596 (61.9%)

Gender*

n = 96,869

n = 880

n = 95989

 

Male

29,901 (30.9%)

264 (30.0%)

29,637 (30.9%)

0.607

Female

66,968 (69.1%)

616 (70.0%)

66,352 (69.1%)

Body mass index*

n = 90,503

n = 749

n = 89,654

 

<18.5

9,930 (11.0%)

58 (6.8%)

9,872 (11.0%)

< 0.001

18.5-24.9

42,043 (46.5%)

266 (43.1%)

41,677 (46.5%)

25-29.9

24,373 (26.9%)

255 (30.0%)

24,118 (26.9%)

≥ 30

14,157 (15.6%)

170 (20.0%)

13,987 (15.6%)

Functional status*

n = 96,047

n = 876

n = 95,171

 

Independent

75,134 (78.2%)

712 (81.3%)

74,422 (78.2%)

0.03

Dependent

20,913 (21.8%)

164 (18.7%)

20,749 (21.8%)

5i-mFI*

n = 96,047

n = 876

n = 95,171

 

0

21,834 (22.7%)

190 (21.7%)

21,644 (22.7%)

0.015

0.2

41,546 (43.3%)

406 (46.3%)

41,140 (43.2%)

0.4

25,438 (26.5%)

197 (22.5%)

25,241 (26.5%)

0.6

6,245 (6.5%)

73 (8.3%)

6,172 (6.5%)

≥ 0.8

984 (1.0%)

10 (1.1%)

974 (1.0%)

Diabetes Mellites

17,868 (18.4%)

160 (18.2%)

17,708 (18.4%)

0.858

Smoker

12,127 (12.5%)

88 (10.0%)

12,039 (12.5%)

0.026

CHF

3,469 (3.5%)

30 (3.4%)

3,439 (3.6%)

0.845

Hypertension

63,284 (65.3%)

599 (68.1%)

62,685 (65.3%)

0.088

COPD

10,514 (10.9%)

111 (12.6%)

10,403 (10.8%)

0.089

Dyspnea on exertion

7,506 (7.7%)

89 (9.9%)

7,417 (7.7%)

0.02

Anemia*

56,736/91,960 (61.1%)

508/845 (60.1%)

56,228/91960 (61.1%)

0.547

Bleeding disorders

15,129 (15.6%)

129 (14.7%)

15,000 (15.6%)

0.454

Preoperative dialysis

1,749 (1.8%)

8 (0.9%)

1,741 (1.8%)

0.049

Disseminated cancer

2,888 (3.0%)

57 (6.5%)

2,831 (2.9%)

< 0.001

10% body weight loss

1,817 (1.9%)

19 (2.2%)

1798 (1.9%)

0.541

Chronic Steroid Use

5,173 (5.3%)

68 (7.7)

5,105 (5.3%)

0.002

* Indicates certain cases had missing information for the study variable. List-wise deletion was performed as necessary