Tranexamic Acid for Blood Loss after Transforaminal Posterior Lumbar Interbody Fusion Surgery: A Double-Blind, Placebo-Controlled, Randomized Study

Table 1

Demographic data and clinical characteristics.

Variable	TXA group	Control group	value
Number	20	20
Age (year)			0.99
Male/female	8/12	11/9	0.34
BMI (kg/m^2)			0.86
Hb (g/l)			0.40
HCT (%)			0.33
PLT (10^9/l)			0.58
PT (s)			0.95
APTT (s)			0.08
ALT (U/l)			0.52
AST (U/l)			0.68
Surgical time (min)			0.15

TXA: tranexamic acid; BMI: body mass index; Hb: hemoglobin; HCT: hematocrit; PLT: platelet; PT: prothrombin time; APTT: activated partial thromboplastin time; ALT: alanine transaminase; AST: aspartate transaminase.