Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom severity
	831 women with mild to moderate PID In review	Tender on exam 30 days 69/335 (21%) with single intramuscular dose of cefoxitin plus oral probenecid followed by oral doxycycline (outpatient) 63/324 (18%) with IV cefoxitin plus IV doxycycline followed by oral doxycycline (hospital admission for parenteral antibiotics; inpatient)	P = 0.50		Not significant
RCT	831 women with mild to moderate PID In review	Endometritis (on biopsy) 30 days 102/222 (46%) with single intramuscular dose of cefoxitin plus oral probenecid followed by oral doxycycline (outpatient) 85/226 (38%) with IV cefoxitin plus IV doxycycline followed by oral doxycycline (hospital admission for parenteral antibiotics; inpatient)	P = 0.09		Not significant
RCT	831 women with mild to moderate PID In review	Tubo-ovarian abscess 30 days 4/410 (0.9%) with single intramuscular dose of cefoxitin plus oral probenecid followed by oral doxycycline (outpatient) 12/398 (0.7%) with IV cefoxitin plus IV doxycycline followed by oral doxycycline (hospital admission for parenteral antibiotics; inpatient)	Significance not assessed
RCT	831 women with mild to moderate PID In review	Chronic pelvic pain 35 months 128/380 (34%) with single intramuscular dose of cefoxitin plus oral probenecid followed by oral doxycycline (outpatient) 110/369 (30%) with IV cefoxitin plus IV doxycycline followed by oral doxycycline (hospital admission for parenteral antibiotics; inpatient)	OR 1.24 95% CI 0.87 to 1.77		Not significant