Table 2.

Comparison of operation time, blood loss, and hospital stay between the two groups ($\overline{x}\pm s$).

Groups	n	Operation time (h)	Blood loss (ml)	Hospital stay (d)
Routine group	65	3.02 ± 0.78	81.51 ± 17.74	11.20 ± 2.14
Study group	65	2.35 ± 0.41	70.52 ± 16.52	9.32 ± 1.86
t	—	6.130	3.655	5.346
P	—	<0.001	<0.001	<0.001