Table 1.

Comparison of surgical conditions between the two groups ($\overline{x}$ ± s).

Group	N	Intraoperative bleeding volume (ml)	Incision drainage (ml)	Healing time (d)	Operation time (min)	Length of stay in hospital (d)
C group	25	65.83 ± 4.52	20.48 ± 3.45	16.85 ± 3.31	89.83 ± 3.43	12.46 ± 3.11
R group	25	58.93 ± 2.35	15.96 ± 1.22	12.48 ± 1.22	74.85 ± 4.11	10.52 ± 3.35
T		6.772	6.175	6.193	13.991	2.122
P		0.001	0.001	0.001	0.001	0.039