Application value of mixed reality in hepatectomy for hepatocellular carcinoma

Table 2 Surgical characteristics and surgical outcomes

Variable	Group A (n = 37)	Group B (n = 58)	P value
Surgical procedure, n (%)
Extended left hepatectomy1	4 (10.81)	7 (12.07)	1.000
Extended right hepatectomy2	2 (5.41)	5 (8.62)	0.855
Left hepatectomy	8 (21.62)	12 (20.69)	0.913
Right hepatectomy	5 (13.51)	8 (13.79)	0.969
Sectionectomy	8 (21.62)	9 (15.52)	0.449
Segmentectomy	7 (18.92)	8 (13.79)	0.505
Partial resection	3 (8.11)	9 (15.52)	0.457
Operative time (min)	202.86 ± 46.02	229.52 ± 57.13	0.003
Volume of bleeding (mL)	329.29 ± 97.31	398.23 ± 159.61	0.010
Pringle maneuver (yes/no), n (%)	14/23	31/27	0.148
Obstructive time of portal vein (min)	17.71 ± 4.16	21.58 ± 5.24	0.019

¹Includes left trisectionectomy.

²Includes right trisectionectomy.