Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Rate of ectopic pregnancy
RCT	831 women with mild to moderate PID In review	Ectopic pregnancy 35 months 4/410 (1%) with single intramuscular dose of cefoxitin plus oral probenecid followed by oral doxycycline (outpatient) 1/398 (0.3%) with IV cefoxitin plus IV doxycycline followed by oral doxycycline (hospital admission for parenteral antibiotics; inpatient)	OR 3.66 95% CI 0.40 to 33.12		Not significant