Comparison 9. Fixed‐dose low molecular weight heparin (LMWH) versus weight‐adjusted LMWH.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Superficial thrombophlebitis or venous thromboembolism	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2 Venous thromboembolism	2	238	Risk Ratio (M‐H, Fixed, 95% CI)	0.51 [0.10, 2.72]
3 Superficial thrombophlebitis	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
4 Swelling disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
5 Tenderness disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
6 Pain disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
7 Pitting oedema disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
8 Collateral veins disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
9 Redness disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
10 Palpable cord disappearance	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
11 Major bleeding	2	238	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
12 Heparin‐induced thrombocytopenia	2	238	Risk Ratio (M‐H, Fixed, 95% CI)	1.02 [0.07, 16.11]