Table 1.

Published percentages of protein binding for the study antibiotics

Antibiotic	Reported avg protein binding (%) (range)	Reference
Piperacillin	30	35
Meropenem	2	36
Ceftriaxone	89.5 (83–96)	37
Ampicillin	20 (15–25)	38
Cefazolin	80 (74–86)	39
Benzylpenicillin	65	40
Flucloxacillin	93	41