Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Days of disability
[76] Systematic review	755 people 7 RCTs in this analysis	Number of days of disability per person per month treated with prophylactic antibiotics with placebo Absolute results not reported	WMD –0.95 95% CI –1.89 to –0.01 (22% reduction) The results of the review should be interpreted with caution (see comment)	Effect size not calculated	prophylactic antibiotics