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Comparison of postoperative complications, hospital stays and hospitalization expenses
| Item | Control group | Observation group | χ2/t | P |
|---|---|---|---|---|
| Case (n) | 439 | 439 | ||
| Pulmonary infection (n, %) | 17 (3.87) | 15 (3.42) | 0.130 | 0.719 |
| Anastomotic leakage (n, %) | 16 (3.64) | 12 (2.73) | 0.590 | 0.442 |
| Hospital stays (d) | 10.05±3.21 | 8.63±3.69 | 6.083 | <0.001 |
| Hospitalization expenses (yuan) | 66796.2±10253.6 | 59543.8±10289.4 | 10.460 | <0.001 |
Note: χ2, statistic value from chi-square test; t, statistic value from t-test.
