Di Carlo 2011

Methods	Consecutive people randomised; allocation by sealed envelopes
Participants	N = 108 adult patients receiving a TID (Port‐a‐cath) to facilitate chemotherapy
Interventions	Ceftazidime (1g IVI 10 min before skin incision) versus no antibiotic (control)
Outcomes	*Surgical site infections (superficial and deep) *Infection considered if T°>37.5°C, WCC >10x10/L, and one or more of: pain, swelling, redness, or heat
Notes	Outcomes assessed for 30 days after insertion
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	B ‐ Unclear; method of randomisation not described; allocation by sealed envelopes; not blinded