Table 2.
Patient characteristics
| PE(100) | No PE(255) | P value | |
|---|---|---|---|
| N(%) | |||
| Age, mean(SD) | 63(11.0) | 61(12.8) | 0.221 |
| BMI, mean(SD) | 27.1(4.4) | 25.2(4.1) | < .001 |
| Surgery, n(%) | 84(84.0) | 225(88.2) | 0.287 |
| Length of surgery, mean(SD) | 4.1(2.8) | 3.4(2.6) | 0.037 |
| Major surgery(< 1h) | 18(18.0) | 63(24.7) | 0.176 |
| Major surgery(2-3h) | 13(13.0) | 58(22.7) | 0.056 |
| Laparoscopic surgery, n(%) | 45(45.0) | 102(40.0) | 0.435 |
| PADUA score, median(IQR) | 3(2–4) | 2(1–3) | < .001 |
| Caprini score, median(IQR) | 7(6–9) | 5(4–6) | < .001 |
| Active cancer, n(%) | 60(60.0) | 115(45.1) | 0.012 |
| Previous VTE, n(%) | 19(19.0) | 17(6.7) | < .001 |
| Limited mobility, n (%) | 41(41.0) | 10(3.9) | < .001 |
| Known thrombophilic condition, n (%) | 28(28.0) | 4(1.6) | < .001 |
| Trauma/surgery within 30 days, n (%) | 84(84.0) | 225(88.2) | 0.287 |
| Heart or respiratory failure, n (%) | 2(2.0) | 6(2.4) | 0.840 |
| Acute ischemic stroke or MI, n (%) | 1(1.0) | 9(3.5) | 0.225 |
| Acute infection or rheumatological disorder, n (%) | 15(15.0) | 28(11.0) | 0.298 |
| Obese (BMI ≥ 30), n (%) | 25(25.0) | 35(13.7) | 0.012 |
| Age ≥ 70, n(%) | 28(28.0) | 68(26.7) | 0.799 |
| DVT, n (%) | 90(90.0) | 164(64.3) | < .001 |
| Hormonal therapy or oral contraceptives, n (%) | 50(50.0) | 67(26.3) | < .001 |
| Pregnancy or puerperium(< 1month) | 2(2.0) | 3(1.2) | 0.558 |
| Venous valvular insufficiency or varicose veins, n (%) | 6(6.0) | 12(4.7) | 0.618 |
PE Pulmonary embolism, BMI Body mass index, SD standard deviation, VTE Venous thromboembolism, DVT Deep venous thrombosis