Table 1. Comparison between 2D and 3D VATS: surgical and technical aspects.

Authors	No. of patients (2D vs. 3D)	2D vs. 3D VATS lobectomy
		Operative time (min)	Harvested LN (N)	Blood loss (mL)	Conversion rate (N)	Postoperative complications (%)
Dong et al. [2016] (19)	359 (181 vs. 178)	164 vs. 163, P<0.001	19.5 vs. 21.3, P=0.064	144 vs. 109, P=0.064	6 vs. 5, P=0.781	15 vs. 16
Bagan et al. [2015] (20)	18 (9 vs. 9)	145 vs. 176, P<0.001	5.3 vs. 4.5, P=0.100	216 vs. 238, P=0.740	-	11.1 vs. 11.1
Jiao et al. [2017] (21)	165 (89 vs. 76)	125 vs. 112, P=0.096	-	121 vs. 125, P=0.859	1 vs. 1, P=1.000	14 vs. 11, P=0.822

2D, two-dimensional; 3D, three-dimensional; VATS, video-assisted thoracic surgery.