Table 2.
The demographics and characteristics of patients
| Variables | AECOPD(n = 948) | AECOPD-PE(n = 210) | P value |
|---|---|---|---|
| Age-years | 66.9 ± 18.6 | 68.1 ± 20.3 | 0.858 |
| Age<50-no.(%) | 26(2.7) | 5(2.4) | 0.769 |
| Age ≥ 50-no.(%) | 922(97.3) | 205(97.6) | |
| Female-no.(%) | 303(32.0) | 72(34.3) | 0.515 |
| Male-no.(%) | 645(68.0) | 138(65.7) | |
| Smoker-no.(%) | 633(66.8) | 145(69.0) | 0.525 |
| Nonsmoker-no.(%) | 315(33.2) | 65(31.0) | |
| BODE index | 5.9 ± 3.6 | 6.2 ± 3.4 | 0.095 |
| D-dimer-ng/ml | 1191 ± 676 | 3118 ± 1635 | <0.001 |
| Wells score | 3.3 ± 1.4 | 6.5 ± 3.3 | <0.001 |
| DVT sign-no.(%) | 96(10.1) | 66(31.4) | <0.001 |
| No DVT sign-no.(%) | 852(89.9) | 144(68.6) | |
| PE likely-no.(%) | 555(58.5) | 177(84.3) | <0.001 |
| PE unlikely-no.(%) | 393(41.5) | 33(15.7) | |
| HR ≤ 100beats/min-no.(%) | 450(47.5) | 102(48.6) | 0.772 |
| HR>100beats/min-no.(%) | 498(52.5) | 108(51.4) | |
| Recent immobilization-no.(%) | 640(67.5) | 186(88.6) | <0.001 |
| No recent immobilization-no.(%) | 308(32.5) | 24(11.4) | |
| Recent surgery-no.(%) | 99(10.4) | 45(21.4) | <0.001 |
| No recent surgery-no.(%) | 849(89.6) | 165(78.6) | |
| History of VTE | 84(8.9) | 21(10.0) | 0.603 |
| No history of VTE | 864(91.1) | 189(90.0) | |
| Hemoptysis-no.(%) | 66(7.0) | 12(5.7) | 0.514 |
| No hemoptysis-no.(%) | 882(93.0) | 198(94.3) | |
| Cancer-no.(%) | 147(15.5) | 54(25.7) | <0.001 |
| No cancer-no.(%) | 801(84.5) | 156(74.3) | |
| SaO2 ≤ 94%-no.(%) | 806(85.0) | 188(89.5) | 0.090 |
| SaO2>94%-no.(%) | 142(15.0) | 22(10.5) | |
| Oral hormone use-no.(%) | 275(29.0) | 78(37.1) | 0.021 |
| No oral hormone use-no.(%) | 673(71.0) | 132(62.9) |
AECOPD Acute Exacerbation of Chronic Obstructive Pulmonary Disease, PE Pulmonary Embolism, no. number, BODE Body-Mass Index, Airflow Obstruction, Dyspnea, and Exercise Capacity, DVT Deep Venous Thrombosis, HR Heart Rate, VTE Venous Thromboembolism, SaO2 Arterial Oxygen Saturation