Skip to main content

Table 2 Comparison of intraoperative and postoperative data

From: Clinical analysis of subxiphoid single-port thoracoscopic surgery for simultaneous bilateral lung lesion resection

  Xiphoid group (n = 36) Intercostal group (n = 36) Statistical value P value
Operative time (min, x ± s) 66.972 ± 13.246 64.139 ± 15.262 t = 0.841 0.403
Intraoperative blood loss (ml, x ± s) 51.528 ± 17.921 49.722 ± 19.159 t = 0.413 0.681
Intubation time (d) 3.0(2.0,4.0) 3.0(3.0,5.0) U = 436.500* 0.013
total thoracic drainage(ml, x ± s) 261.944 ± 69.850 308.611 ± 91.843 t = 2.427 0.018
complications (n) 2 2 χ2 = 0.000** 1.000
Arrhythmia 0 2   
Prolonged air leak 1 0   
Incision fat liquefaction 1 0   
Postoperative pain score (VAS scale)
 24 h after surgery 2.667 ± 0.926 4.750 ± 1.628 t = 6.675 < 0.000
 48 h after surgery 2.917 ± 1.251 4.389 ± 1.591 t = 4.365 < 0.000
Discharge follow-up for pain or numbness in the incision
 1 month after surgery 2 11 χ2 = 7.604 0.006
 3 month after surgery 1 10 χ2 = 8.692 0.003
  1. The operation time of the control group included the time when the body position was changed again during the operation to disinfect the towel
  2. *Indicates sampling nonparametric test (Mann–Whitney U); **Fisher exact probability method