Low Dose Perioperative Intravenous Tranexamic Acid in Patients Undergoing Total Knee Arthroplasty: A Double-Blind Randomized Placebo Controlled Clinical Trial

Table 2

Hb level before and during the study period between study groups.

Hb level (g/dL)	Group T	Group P	value
Before surgery	12.90 ± 1.11	12.63 ± 1.24	n.s.
6 hours after surgery	11.77 ± 1.26	11.21 ± 1.31
24 hours after surgery	11.01 ± 1.17	9.96 ± 1.15
48 hours after surgery	10.92 ± 0.97	10.23 ± 0.98

Data are presented as mean ± standard deviation. n.s.: nonsignificant. is considered statistically significant.