Comparison 3. Treatment benefit of antibiotic prophylaxis in ventriculoperitoneal shunts and ventriculoatrial shunts.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of participants experiencing shunt infection after administration of antibiotics in ventriculoperitoneal shunts versus ventriculoatrial shunts	8	905	Risk Ratio (IV, Random, 95% CI)	0.63 [0.40, 1.00]
1.1 Antibiotic prophylaxis in patients with a ventriculoperitoneal shunt	7	706	Risk Ratio (IV, Random, 95% CI)	0.71 [0.41, 1.21]
1.2 Antibiotic prophylaxis in patient with a ventriculoatrial shunt	2	199	Risk Ratio (IV, Random, 95% CI)	0.61 [0.11, 3.47]