Table 1.
Comparison of clinical data
| Maker | Anastomotic leakage group (n=31) | No anastomotic leakage group (n=244) | χ2/t/Z value | P-value |
|---|---|---|---|---|
| Age | ||||
| ≥65 years | 18 | 161 | 0.759 | 0.384 |
| <65 years | 13 | 83 | ||
| Distinguishing between the sexes | ||||
| Male | 19 | 127 | 0.943 | 0.331 |
| Women | 12 | 117 | ||
| Body mass index | ||||
| ≥25 kg/m2 | 8 | 78 | 0.486 | 0.486 |
| <25 kg/m2 | 23 | 166 | ||
| History of hypertension | ||||
| Yes | 7 | 68 | 0.388 | 0.533 |
| No | 24 | 176 | ||
| History of diabetes | ||||
| Yes | 8 | 49 | 0.549 | 0.459 |
| No | 23 | 195 | ||
| Cardiac insufficiency | ||||
| Yes | 2 | 24 | 0.368 | 0.544 |
| No | 29 | 220 | ||
| Pulmonary insufficiency | ||||
| Yes | 4 | 44 | 0.502 | 0.478 |
| No | 27 | 200 | ||
| Pyloric obstruction | ||||
| Yes | 2 | 7 | 1.115 | 0.291 |
| No | 29 | 237 | ||
| Tumor diameter | ||||
| ≥3 cm | 17 | 166 | 2.151 | 0.142 |
| <3 cm | 14 | 78 | ||
| Surgical Procedures | ||||
| Open the abdomen | 11 | 110 | 1.028 | 0.311 |
| Laparoscopy | 20 | 134 | ||
| Extent of Gastrectomy | ||||
| Distal resection | 21 | 142 | 1.038 | 0.308 |
| Else | 10 | 102 | ||
| Anastomosis | ||||
| Billroth-I anastomosis | 6 | 45 | 0.02 | 0.990 |
| Billroth-II anastomosis | 12 | 94 | ||
| Roux-en-Y match | 13 | 105 | ||
| Combined organ removal | ||||
| Yes | 4 | 20 | 0.765 | 0.382 |
| No | 27 | 224 | ||
| Degree of tumor differentiation | ||||
| Low polarization | 18 | 110 | 1.863 | 0.172 |
| Medium + High differentiation | 13 | 134 | ||
| TNM staging | ||||
| I | 5 | 77 | 10.253 | 0.006 |
| II | 5 | 75 | ||
| III | 21 | 92 | ||
| Surgical time (min) | 287.00 [249.50, 336.00] | 262.50 [226.00, 307.25] | 1.968 | 0.049 |
| Intraoperative Bleeding (mL) | 428.06±54.52 | 404.39±47.04 | 2.311 | 0.027 |
Note: TNM, Tumor, Node, Metastasis.