| C group (n = 30) | SI group (n = 30) | UD group (n = 30) | χ2 /F | P value |
---|---|---|---|---|---|
Postoperative pneumonia a | 1(3.33%) | 1(3.33%) | 1(3.33%) | 0.00 | 1.00 |
Postoperative pleural effusion b | 2(6.67%) | 2(6.67%) | 1(3.33%) | 0.42 | 0.81 |
Atelectasis in PACU c | 3(10.00%) | 2(6.67%) | 2(6.67%) | 0.40 | 0.86 |
Postoperative atelectasis c | 3(10.00%) | 4(13.33%) | 3(10.00%) | 0.23 | 0.89 |
Extubation failure | 0(0.00%) | 0(0.00%) | 0(0.00%) | - | - |
Postoperative pain scores | 3.90 ± 1.16 | 3.93 ± 0.94 | 3.77 ± 1.17 | 0.20 | 0.82 |
Length of hospital stay after surgery(days) | 5.13 ± 1.279 | 5.33 ± 1.028 | 5.53 ± 1.252 | 0.85 | 0.43 |