Table 1.
Chronic obstructive pulmonary disease | ||||
---|---|---|---|---|
Total (n=2488) |
Yes (n =484) |
No (n = 2004) |
p-value | |
| ||||
Age, years (mean±SD) | 63.8 ± 18.1 | 68.2 ± 15.2 | 62.7 ± 18.6 | <0.0001 |
| ||||
Age > 65 years, n (%) | 1332 (53.5) | 308 (63.6) | 1,024 (51.1) | <0.0001 |
| ||||
Body mass index, kg/m2 (mean±SD) | 28.7 ± 7.7 | 28.6 ± 8.9 | 28.7 ±7.3 | 0.86 |
| ||||
Male, n (%) | 1104 (44.5) | 215 (44.5) | 889 (44.5) | 0.98 |
| ||||
Ethnicity, n (%) | ||||
Caucasian | 2231 (89.7) | 439 (90.7) | 1,792 (89.4) | 0.4 |
African-American | 81 (3.3) | 13 (2.7) | 68 (3.4) | 0.42 |
Asian | 11 (0.4) | 0 (0) | 11 (0.6) | 0.03 |
Hispanic | 43 (1.7) | 9 (1.9) | 34 (1.7) | 0.81 |
Other | 21 (0.8) | 7 (1.5) | 14 (0.7) | 0.13 |
| ||||
Developed venous thromboembolism during hospitalization for another condition, n (%) | 700 (28.1) | 173 (35.7) | 527 (26.3) | <0.0001 |
| ||||
Length of stay, days (mean±SD) | 10.6 ± 16.1 | 12.4 ± 16.3 | 10.1 ± 16 | 0.01 |
| ||||
Venous thromboembolism diagnostic category, n (%) | ||||
Definite | 2320 (93.8) | 454 (94.6) | 1866 (93.4) | 0.42 |
Probable | 80 (3.2) | 15 (3.1) | 65 (3.1) | 0.89 |
Possible | 74 (3.0) | 11 (2.3) | 63 (3.2) | 0.32 |
SD, standard deviation.