Table 2.

Serum tranexamic acid (TXA) level and TXA level in drainage fluid.

	Group						p value
	2 h	4 h	6 h	8 h	10 h	12 h
Serum TXA level, μg/mL◆
2 hours	12.8 ± 1.6	12.2 ± 2.6	15.0 ± 2.4	11.3 ± 2.1	13.2 ± 1.9	12.1 ± 2.3	0.16
Clamp release	12.8 ± 1.6	9.4 ± 3.3	6.4 ± 2.4	2.3 ± 0.5	2.0 ± 0.7	1.7 ± 1.0	<0.0001∗
24 hours	0.3 ± 0.1	0.5 ± 0.6	0.4 ± 0.2	0.2 ± 0.1	0.3 ± 0.1	0.3 ± 0.2	0.51
Drainage TXA level, μg/mL◆	461.9 ± 181.3	856 ± 505.8	282.8 ± 142.9	530.9 ± 839.4	560.5 ± 466.7	736.5 ± 621.6	0.59

◆: value presented as mean ± standard deviation.

∗: significant difference among groups with p < 0.05.