Comparison 8. Intravenous injection of tranexamic acid versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Blood loss (ml)	1	100	Mean Difference (IV, Fixed, 95% CI)	‐243.0 [‐460.02, ‐25.98]
2 Need for blood transfusion	1	100	Odds Ratio (M‐H, Fixed, 95% CI)	1.71 [0.68, 4.30]
3 Duration of surgery (min)	1	100	Mean Difference (IV, Fixed, 95% CI)	‐11.0 [‐21.09, ‐0.91]
4 Postoperative haemoglobin (g/dl)	1	100	Mean Difference (IV, Fixed, 95% CI)	0.21 [‐0.36, 0.78]
5 Postoperative haematocrit	1	100	Mean Difference (IV, Fixed, 95% CI)	1.0 [‐0.43, 2.43]