Study	Reason for exclusion
Bain 1985	Outcomes not reported as treatment failures
Gehanno 1990	Duration of antibiotic in both treatment arms was less than 7 days
Harrison 1993	Duration of antibiotic therapy equivalent in both arms
Jacobson 1979	Duration of antibiotic therapy equivalent in both arms
Jenner 1987	Duration of antibiotic in both treatment arms was less than 7 days
Johnson 1991	Duration of antibiotic therapy equivalent in both arms
Jones 1986	Outcomes not reported as treatment failures
MacLouglin 1996	Duration of antibiotic therapy equivalent in both arms
Mandel 1995	Duration of antibiotic in both treatment arms 7 days or greater
Murph 1993	Duration of antibiotic therapy equivalent in both arms
O'Doherty 1996	Trial participants predominantly adults
Roos 2000	Antibiotic ceftibuten was deemed to be not clinically relevant
Rubenstein 1965	Antibiotic therapy no longer current
Scott 1990	No comparison of different durations of antibiotic
Simon 1997	Antibiotic ceftibuten was deemed to be not clinically relevant
Spencer 1993	Duration of antibiotic therapy equivalent in both arms
Stickler 1964	Antibiotic therapy no longer current
Stickler 1967	Antibiotic therapy no longer current
Suzuki 2009	Duration of antibiotic therapy equivalent in both arms
Varsano 1994	Insufficient data reported in abstract