Table 1.
The baseline characteristics of cancer patients before surgery
| Variables | Non-PE group (N = 126) | PE group (N = 63) | P-value |
|---|---|---|---|
| Age (y) | 63 (56–71) | 66 (56–71) | 0.756 |
| Gender [No. (%)] | 0.837 | ||
| Female | 58 (46.03) | 30 (47.32) | |
| Male | 68 (53.97) | 33 (52.38) | |
| BMI (kg/m2) | < 0.001 | ||
| < 22.03 | 51 (40.48) | 12 (19.05) | |
| 22.03–24.69 | 45 (35.71) | 18 (28.57) | |
| ≥ 24.69 | 30 (23.81) | 33 (52.38) | |
| Tobacco abuse | 60 (47.62) | 27 (42.86) | 0.536 |
| Alcohol abuse | 38 (30.16) | 16 (25.40) | 0.492 |
| Hypertension | 27 (21.43) | 22 (34.92) | 0.046 |
| Diabetes | 17 (13.49) | 4 (6.35) | 0.141 |
| COPD | 32 (25.4) | 14 (22.22) | 0.632 |
| Atrial fibrillation | 3 (2.38) | 2 (3.17) | 0.749 |
| Hyperlipemia | 63 (50.0) | 25 (39.68) | 0.180 |
| Coronary heart disease | 3 (2.4) | 1 (1.59) | 0.715 |
| Cerebrovascular disease | 1 (0.84) | 1 (1.59) | 0.646 |
| Central venous access | 42 (33.33) | 21 (33.33) | 1.000 |
| Cancer-related characteristics [No. (%)] | |||
| Prior major surgery [No. (%)] | 0 (0.00) | 5 (7.94) | 0.001 |
| Tumor stage | 0.233 | ||
| Tis | 3 (2.38) | 0 (0.0) | 0.397 |
| I/mia | 32 (25.40) | 23 (36.51) | |
| II | 37 (29.37) | 16 (25.40) | |
| III | 37 (29.37) | 18 (28.57) | |
| IV | 17 (13.49) | 6 (9.52) | |
| Pathology | 0.882 | ||
| Adenocarcinoma | 70 (55.56) | 31 (49.21) | |
| Squamous cell carcinoma | 39 (30.95) | 20 (31.75) | |
| Neuroendocrine carcinoma | 7 (5.56) | 5 (7.94) | |
| Sarcoma | 3 (2.38) | 2 (3.17) | |
| Others | 7 (5.56) | 5 (7.94) | |
| Cancer location | 0.137 | ||
| Thoracic cavity | 86 (68.3) | 43 (68.3) | |
| Abdominopelvic cavity | 40 (31.7) | 20 (31.7) | |
| Neoadjuvant chemotherapy | 14 (11.11) | 7 (11.11) | 1.000 |
| Neoadjuvant radiotherapy | 3 (2.38) | 1 (1.59) | 0.721 |
| Preoperative anticoagulation | 11 (8.73) | 3 (4.76) | 0.326 |
BMI body mass index, COPD Chronic Obstructive Pulmonary Disease