| Landing time after operation (days) | Postoperative infection rate (%) | Length of hospital stay (days) | Second operation (example) |
Group A | 21.0 ± 7.0 | 2.94 | 14.0 ± 6.0 | 1 |
Group B | 7.0 ± 2.0 | 0 | 12.0 ± 5.0 | 0 |
T value | 7.24 | 0.873 | 2.41 | 0.873 |
p-value | <0.05 | >0.05 | <0.05 | >0.05 |