Clinical Efficacy of Thoracoscopic Surgery with the da Vinci Surgical System versus Video-Assisted Thoracoscopic Surgery for Lung Cancer

Table 2

Comparison of intraoperative conditions ( ± s, %).

Groups	Operative time (min)	Intraoperative blood loss (mL)	Lymph node dissection	Intraoperative conversion rates (%)
Research group (n = 86)	125.61 ± 35.79	88.65 ± 35.17	7.23 ± 1.23	2 (2.32)
Control group (n = 87)	139.44 ± 33.28	103.45 ± 28.94	8.95 ± 1.77	6 (6.89)
t/x^2	2.632	3.024	7.414	3.150
P	0.009	0.003	<0.001	0.046