Efficiency and safety of laparoscopic left hemihepatectomy: A study of intrathecal vs extrathecal Glissonean pedicle techniques

Table 2 Comparison of perioperative indicators between the two groups

	EGP group	IGP group	Statistics	P value
Operation time (minute)	129.6 ± 19.0	184.8 ± 26.0	t = 8.444	0.000
Hepatic pedicle transection time (minute)	16.1 ± 2.3	25.5 ± 2.4	t = 14.016	0.000
Intraoperative blood loss (mL)	347.1 ± 118.3	306.0 ± 110.2	t = 1.259	0.214
Time to anal exhaust (hour)	33.7 ± 10.7	31.0 ± 8.6	t = 0.945	0.349
Drain indwelling time (day)	2.25 (2.3)	3.0 (2.3)	Z = 0.991	0.322
Hospital stay (day)	7 (6.8)	7 (6.7)	Z = 1.730	0.084

EGP: Extrathecal Glissonean pedicle transection; IGP: Intrathecal Glissonean pedicle transection.