Before PSM | After PSM | |||||
---|---|---|---|---|---|---|
Characteristics | Control group( N = 342) | Experimental group(N = 157) | P | Control group(N = 157) | Experimental group(N = 157) | P |
anastomotic stenosis(no/yes) | 341/1 | 157/0 | 0.498 | 156/1 | 157/0 | 0.317 |
intestinal obstruction(no/yes) | 340/2 | 157/0 | 0.337 | 156/1 | 157/0 | 0.317 |
postoperative pneumonia(no/yes) | 301/41 | 151/6 | 0.04 | 145/12 | 151/6 | 0.145 |
second operation(no/yes) | 334/8 | 156/1 | 0.185 | 153/4 | 156/1 | 0.176 |
death(no/yes) | 338/4 | 157/0 | 0.174 | 156/1 | 157/0 | 0.317 |
ntraoperative blood transfusion(no/yes) | 270/72 | 140/17 | 0.006 | 129/28 | 140/17 | 0.076 |
combined organ resection (no/yes) | 329/13 | 154/3 | 0.266 | 149/8 | 154/3 | 0.125 |
Type of gastrectomy(no/yes) | 0.078 | 0.106 | ||||
Distal | 205 | 92 | 97 | 92 | ||
Total | 105 | 40 | 47 | 40 | ||
Proximal | 32 | 25 | 13 | 25 | ||
Postoperative hospital stay | 12.97 ± 7.106 | 13.57 ± 3.751 | 0.318 | 12.77 ± 7.635 | 13.57 ± 3.751 | 0.238 |
Total postoperative bleeding cases(no/yes) | 331/11 | 157/0 | 0.023 | 151/6 | 157/0 | 0.013 |
early hemorrhage | 8 | 0 | 0.053 | 4 | 0 | 0.044 |
delayed bleeding | 3 | 0 | 0.239 | 2 | 0 | 0.156 |