Figuera 2001.

Methods	RCT Open 1994‐1996
Participants	Number: 150 patients Age: mean 38.3; range 16‐73
Interventions	imipenem 500mgX4 versus piperacillin‐tazobactam 4.5grX4
Outcomes	Overall mortality ‐ at end of treatment Clinical and microbiological failure Drug modifications Adverse events
Notes	Spain
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Unclear risk	No description
Allocation concealment?	Unclear risk	No description
Blinding? All outcomes	High risk	Blinding not used
Incomplete outcome data addressed? All‐cause mortality	High risk	9% dropouts
Incomplete outcome data addressed? Treatment failure	High risk	9% dropouts
Free of other bias?	Low risk