Characteristic

Groups

Control (n = 140)

Tranexamic Acid (n = 192)

p-Value

Mean pre-op Haemoglobin (g/l) (range)

139.4 (100 to 183)

137.6 (80 to 179)

Mean post-op Haemoglobin (g/l) (range)

107.3 (60 to 158)

113.0 (77 to 154)

Mean Haemoglobin drop (g/l)

32.2

24.6

<0.0001^*

Number of patients transfused (%)

22 (15.7)

12 (6.3)

0.005^*

Number of units transfused

41

20