TABLE 2.
Short-term outcomes before and after PSM.
| Characteristics | Before PSM |
After PSM |
||||
| Hypoalbuminemia (1078) | Normal (5994) | P-value | Hypoalbuminemia (1028) | Normal (1028) | P-value | |
| Operation time (min) | 232.0 ± 88.1 | 225.2 ± 83.6 | 0.015* | 231.9 ± 88.3 | 220.9 ± 76.9 | 0.003* |
| Blood loss (mL) | 132.4 ± 229.4 | 99.7 ± 143.3 | <0.01* | 133.5 ± 233.3 | 113.9 ± 159.4 | 0.036* |
| Hospital stay (day) | 12.8 ± 8.6 | 10.9 ± 8.0 | <0.01* | 12.7 ± 8.6 | 11.4 ± 6.9 | <0.01* |
| Blood transfusion | 60 (5.6%) | 97 (1.6%) | <0.01* | 55 (5.4%) | 44 (4.3%) | 0.257 |
| Overall complications | 341 (31.6%) | 1168 (19.5%) | <0.01* | 323 (31.5%) | 263 (25.6%) | 0.003* |
| Major complications | 52 (4.8%) | 148 (2.5%) | <0.01* | 50 (4.9%) | 29 (2.8%) | 0.016* |
| 30-day death | 12 (1.1%) | 12 (0.2%) | <0.01* | 10 (1.0%) | 6 (0.6%) | 0.315 |
| Anastomotic leakage | 27 (2.5%) | 157 (2.6%) | 0.828 | 26 (2.5%) | 18 (1.8%) | 0.223 |
| Pneumonia | 80 (7.4%) | 143 (2.4%) | <0.01* | 75 (7.3%) | 39 (3.8%) | 0.001* |
| Wound infection | 52 (4.8%) | 189 (3.2%) | 0.005* | 49 (4.8%) | 41 (4.0%) | 0.388 |
| Lymphatic fistula | 10 (0.9%) | 32 (0.5%) | 0.121 | 10 (1.0%) | 8 (0.8%) | 0.636 |
| Intestinal obstruction | 22 (2.0%) | 115 (1.9%) | 0.789 | 22 (2.1%) | 22 (2.1%) | 1.000 |
| Venous thrombosis | 17 (1.6%) | 50 (0.8%) | 0.020* | 17 (1.7%) | 16 (1.6%) | 0.861 |
| Abdominal infection | 91 (8.4%) | 295 (4.9%) | <0.01* | 86 (8.4%) | 59 (5.7%) | 0.020* |
| Other complications | 100 (9.3%) | 393 (6.6%) | 0.001* | 95 (9.2%) | 99 (9.6%) | 0.763 |
Variables are expressed as the mean ± SD, n (%), *P-value < 0.05.
PSM, propensity score matching.