Table 2 Comparison of postoperative outcomes between the two groups of patients.
Variables | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
No-TDT group | TDT group | P | No-TDT group | TDT group | P | |
Time of TDT (days) | No value | 4.8 ± 1.2 | No value | No value | 4.7 ± 1.2 | No value |
Anastomotic leakage | 0.159 | 0.034 | ||||
No | 582 (93.9) | 295 (96.2) | 264 (92.0) | 276 (96.2) | ||
Yes | 38 (6.1) | 12 (3.9) | 23 (8.0) | 11 (3.8) | ||
Anastomotic leakage Grade | 0.874 | 0.709 | ||||
Grade B | 18 (47.4) | 6 (50.0) | 8 (34.8) | 5 (45.5) | ||
Grade C | 20 (52.6) | 6 (50.0) | 15 (65.2) | 6 (54.5) | ||
Anastomotic bleeding | 0.182 | 0.279 | ||||
No | 610 (98.4) | 298 (97.1) | 282 (98.3) | 278 (96.9) | ||
Yes | 10 (1.6) | 9 (2.9) | 5 (1.7) | 9 (3.1) | ||
Intestinal obstruction | 0.182 | 1.000 | ||||
No | 599 (96.6) | 298 (97.1) | 279 (97.2) | 279 (97.2) | ||
Yes | 21 (3.4) | 9 (2.9) | 8 (2.8) | 8 (2.8) | ||
Time of anal gas evacuation (days) | 2.4 ± 1.7 | 2.4 ± 1.0 | 0.981 | 2.4 ± 1.6 | 2.4 ± 1.0 | 0.488 |
Time of return to regular diet (days) | 3.7 ± 1.9 | 3.7 ± 1.2 | 0.912 | 3.7 ± 1.8 | 3.7 ± 1.2 | 0.435 |
Length of postoperative hospitalization (days) | 9.1 ± 5.1 | 9.3 ± 4.0 | 0.368 | 9.5 ± 6.2 | 9.3 ± 4.0 | 0.333 |