Outcomes | No. of studies | Pooling model | Effect size | 95%CI | P | I2 | |
---|---|---|---|---|---|---|---|
Operative time | 9 | Random | 17.11 | 2.38 | 31.85 | 0.02 | 92% |
No. of resected lymph nodes | 3 | Random | 1.25 | −4.57 | 7.07 | 0.67 | 95% |
Mortality | 5 | Fixed | 1.03 | 0.38 | 2.8 | 0.95 | 0 |
Pneumonia | 4 | Fixed | 1.11 | 0.48 | 2.55 | 0.8 | 0 |
Prolonged air leak | 5 | Random | 0.79 | 0.32 | 1.93 | 0.6 | 55% |
Arrythmia | 5 | Fixed | 0.48 | 0.21 | 1.06 | 0.07 | 0 |
Postoperative bleeding | 4 | Fixed | 0.62 | 0.24 | 1.61 | 0.32 | 15% |
Chylothorax | 4 | Fixed | 0.52 | 0.20 | 1.33 | 0.17 | 15% |
Duration of chest tube drainage | 6 | Random | −0.71 | −1.18 | −0.24 | 0.003 | 57% |
Postoperative pain in day 1 | 2 | Fixed | −1.02 | −1.37 | −0.66 | 0.00001 | 0 |
Postoperative pain in day2 | 2 | Fixed | −1.42 | −1.75 | −1.09 | 0.00001 | 0 |