Table 3 (Abstract O46).

Blood loss, hemoglobin decrease, and blood transfusion rate of the two groups at 1 d and 3 d after TKA

	Blood loss (mL)		Hemoglobin decrease (g/L)		Transfusion rate (n/%)
	24 h after surgery	72 h after surgery	24 h after surgery	72 h after surgery
Experimental group	343.7 ± 73.2	656.0 ± 271.2	7.8 ± 5.9	14.3 ± 14.7	3/6
Control group	657.3 ± 107.4	1012.0 ± 284.6	10.2 ± 4.8	18.7 ± 12.6	5/10
t	− 14.11	8.23	1.67	2.35	χ2 = 1.38
P	0.003	< 0.001	0.038	0.028	0.26