Table 2. Comparison of demographic and clinical characteristics between patients with and without VTE.
| Variable | No VTE (n = 546) | VTE (n = 86) | p |
|---|---|---|---|
| Age, year (%) | 0.464 | ||
| <60 | 181(33.2) | 32(37.2) | |
| ≥60 | 365(66.8) | 54(62.8) | |
| Gender (%) | 0.797 | ||
| Female | 156(28.6) | 23(26.7) | |
| Male | 390(71.4) | 63(73.3) | |
| Smoking history (%) | 0.452 | ||
| Never | 242(44.3) | 35(40.7) | |
| Former | 81(14.8) | 15(17.4) | |
| Current | 223(40.9) | 36(41.9) | |
| Body mass index,kg/m2 | 0.439 | ||
| Mean (SD) | 23.2(3.5) | 23.6(3.1) | |
| Diabetes (%) | 0.285 | ||
| Yes | 40(7.3) | 9(10.5) | |
| No | 506(92.7) | 77(89.5) | |
| Hypertension (%) | 0.043 | ||
| Yes | 84(15.4) | 21(24.4) | |
| No | 462(84.6) | 65(75.6) | |
| Total cholesterol, mol/L | 0.802 | ||
| Mean (SD) | 4.4(1.1) | 4.4(1.0) | |
| Triglycerides, mol/L | 0.400 | ||
| Mean (SD) | 1.3(0.6) | 1.3(0.9) | |
| WBC count (%) | 0.001 | ||
| <10 × 109/L | 472(86.4) | 62(72.1) | |
| ≥10 × 109/L | 74(13.6) | 24(27.9) | |
| Tumor histology (%) | 0.001 | ||
| Adenocarcinoma | 240(44.0) | 55(64.0) | |
| Non-adenocarcinoma | |||
| Squamous cell carcinoma | 161(29.5) | 18(20.9) | |
| Other NSCLC | 51(9.3) | 6(7.0) | |
| SCLC | 94(17.2) | 7(8.1) | |
| Tumor Stage (%) | 0.014 | ||
| Localized stage | 296(54.2) | 36(42.7) | |
| Distant Metastasis | 226(41.4) | 50(57.3) | |
| Unknown | 24(4.4) | 0(0) |
Abbreviations: VTE = venous thromboembolism; SD = standard deviation; NSCLC = non-small cell lung cancer; SCLC = small cell lung cancer; WBC = white blood cell.