Table 6.

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

Group	Operation time (min)	Blood loss (mL)	Incision length (cm)	Length of hospital stay (d)
Study group (n = 42)	92.15 ± 10.52	23.79 ± 4.75	4.53 ± 0.31	5.47 ± 1.12
Control group (n = 42)	89.43 ± 11.16	22.98 ± 4.66	4.47 ± 0.32	6.69 ± 1.25
t	1.149	0.789	0.873	4.712
P	0.254	0.433	0.385	<0.001