Table 2.

Comparison of surgical conditions

Characteristic	Group A(n = 47)	Group B(n = 44)	t	P
Duration of surgery	117.98 ± 33.308	39.66 ± 13.136	14.569	< 0.001
Intraoperative bleeding	288.94 ± 146.528	49.55 ± 21.015	10.731	< 0.001
Hematoma clearance rate	85.803 ± 7.872	72.404 ± 10.771	6.806	0.031