Figueroa‐Damian 1996.

Methods	Randomized trial Study period: March 1993 through May 1994
Participants	Inclusion criteria: women with postcesarean endometritis defined as fever, presence of foul smelling lochia, and pain on fundal palpation Setting: Mexico Number of participants: n = 56
Interventions	Piperacillin/tazobactam 500 mg iv every 6 hours for 5 days vs Ampicillin 1 g iv every 6 hours plus gentamicin 80 mg iv every 8 hours for 5 days followed by oral ampicillin and IM gentamicin for 5 additional days
Outcomes	Therapeutic failure Wound infection Mean length of stay 7 days vs 6 days (standard deviations not given)
Notes	All postcesarean births Pharmaceutical sponsorship ‐ none apparent
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	States "random" 3:1, without further description
Allocation concealment (selection bias)	Unclear risk	Not stated
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not stated
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not stated
Selective reporting (reporting bias)	Unclear risk	The protocol is not available, insufficient information to permit judgment
Other bias	Unclear risk	Only a reduced translated copy of the review is available, which could result in information about potential biases being missed