Incidence of infections
Infection was reported in eight studies including 4517 patients.10-12,16-18,20,22 Incidence of infections was
significantly lower in the prophylactic antibiotics group than that in
the control group [RR 0.72 (95% CI: 0.58-0.89,I2 = 58%; Figure 5)]. The results of the
subgroups were similar to the main analysis.