Comparison 3. Anticoagulants versus no treatment (short term).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3.1 All‐cause mortality	3		Risk Ratio (IV, Random, 95% CI)	0.64 [0.55, 0.74]
3.2 Deep vein thrombosis	1	1403	Risk Ratio (IV, Random, 95% CI)	5.67 [1.30, 24.70]
3.3 Pulmonary embolism	1	1403	Risk Ratio (IV, Random, 95% CI)	24.19 [3.31, 176.53]
3.4 Major bleeding	2	7218	Risk Ratio (IV, Random, 95% CI)	1.19 [0.66, 2.12]
3.5 Adverse events (stroke)	1	1403	Risk Ratio (IV, Random, 95% CI)	1.13 [0.32, 4.00]
3.6 Adverse events (myocardial infarction)	1	1403	Risk Ratio (IV, Random, 95% CI)	15.88 [0.93, 270.48]
3.7 Hospitalisation time	1	1376	Mean Difference (IV, Random, 95% CI)	5.00 [4.47, 5.53]