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Table 3 Secondary outcome measurements

From: Video-assisted thoracoscopic surgery versus muscle-sparing thoracotomy for non-small cell lung cancer: a systematic review and meta-analysis

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
  1. *visual analogue scale was validated in pain assessment