Study designs of evaluations included in the review
Prospective randomised controlled trials (RCTs) only were included.
Specific interventions included in the review
Topical antimicrobial prophylaxis of purulent post-operative otorrhea of at least 48 hours duration after insertion of tympanostomy tube.
Participants included in the review
Children with otitis media with effusion, and not on oral antimicrobial agents, were included.
Outcomes assessed in the review
The incidence of otorrhea within 1 month of surgery was assessed.
How were decisions on the relevance of primary studies made?
The authors do not state how the papers were selected for the review, or how many of the authors performed the selection.