Study	Reason for exclusion
Ballestero 1992	Non‐randomised.
Brown 1980	Non‐randomised.
Denning 1977	Non‐randomised.
Feigelson 1993	Non‐randomised.
Harrison 1985	Both participant groups received prophylaxis. Comparison was not made with a group receiving intermittent antibiotics 'as required'.
Jensen 1990	Non‐randomised.
Keel 2011	Pharmacokinetic study of linezolid.
Keller 2010	Study of new formulation of tobramycin for use in treating Pseudomonas aeruginosa.
Kerrebijn 1984	Non‐randomised.
Loening‐Baucke 1979	Cross‐over study design.
Nolan 1982	All participants on oral prophylaxis (cloxacillin). Nebulised cephaloridine given to alternate participants in a quasi‐randomised design.
Shapera 1981	Parenteral and oral clindamycin versus oral clindamycin alone.
Szaff 1982	Non‐randomised.
Wright 1970	Non‐randomised.