Table 2.

Comparison of drainage volume, blood transfusion volume, and recessive blood loss between the two groups [$\overline{x}\pm s$].

Group	Cases	Drainage volume (mL)	Blood transfusion volume (mL)	Total blood loss (mL)
Control group	42	64.02 ± 63.45	20.08 ± 11.24	1096.31 ± 195.46
Research group	42	64.12 ± 70.13	8.35 ± 6.21	894.24 ± 188.53
t		0.007	5.920	4.822
P		0.995	<0.01	<0.01