| Postoperative bleeding (−), N = 207 | Postoperative bleeding (+), N = 11 | p value |
---|---|---|---|
Backgrounds of patients | |||
 Age (years) | 69 (61–74) | 65 (60–74) | 0.6270 |
 Gender (male:female) | 122:85 | 8:3 | 0.3524 |
 Height (cm) | 159.8 (152.7–166.6) | 166.0 (154.1–170.8) | 0.3006 |
 Weight (kg) | 54.7 (49.7–62.8) | 64.0 (51.9–70.3) | 0.0958 |
 ASA-PS classification (1:2:3) | 80:122:5 | 4:6:1 | 0.5673 |
Preoperative laboratory examinations | |||
 Platelet (104/mm3) | 23.3 (18.3–26.9) | 25.7 (21.5–28.6) | 0.1377 |
 eGFR | 73.3 (61.3–85.8) | 69.3 (64.2–78.3) | 0.8283 |
 Serum ALT (IU/L) | 17 (11–24) | 20 (14–26) | 0.2967 |
 Serum T-Bil (IU/L) | 0.62 (0.50–0.92) | 0.74 (0.46–0.77) | 0.6609 |
 D-dimer (μ/mL) | 0.55 (0.3–1.1) | 0.4 (0.3–0.7) | 0.5690 |
 CEA (ng/mL) | 5.3 (2.8–11.8) | 4.8 (2.5–11.3) | 0.8202 |
 CA19-9 (U/mL) | 14 (8–23) | 21 (10–40) | 0.3140 |
Preoperative comorbidities | |||
 Number of comorbidities (4:3:2:1:0) | 1:3:15:59:129 | 0:1:0:3:7 | 0.4854 |
 Hypertension | 162 | 4 |  |
 Diabetes mellitus | 29 | 2 |  |
 Cerebrovascular disease | 7 | 1 |  |
 Ischemic heart disease | 2 | 0 |  |
 Respiratory disease | 9 | 0 |  |
Surgical and tumor characteristics | |||
 Approach (open:laparoscopic) | 80:127 | 2:9 | 0.1505 |
 Blood loss (g) | 162 (50–403) | 170 (50–229) | 0.8022 |
 Duration of surgery |  |  |  |
  Open (min) | 223 (181–408) | 379 (162–597) | 0.7841 |
  Laparoscopic (min) | 284 (227–342) | 237 (216–313) | 0.3000 |
 Use of epidural anesthesia, n (%) | 189 (91.3%) | 10 (90.9%) | 0.9641 |
 Type of anticoagulants (fondaparinux:enoxaparin) | 60:147 | 7:4 | 0.0374 |
 Tumor location (Rt colon:Lt colon:Rectum) | 58:57:92 | 4:2:5 | 0.8280 |
 TNM classification (stage 0:I:II:III:IV) | 11:51:52:58:35 | 1:6:1:0:3 | 0.0267 |