Table 2. Episodes with positive microbiological cultures.

Study arm	Source	Organism	Outcome	Further detail
Intravenous	Peripheral blood culture	Pseudomonas aeruginosa	Success
Intravenous	Peripheral blood culture	Coagulase negative staphylococcusa	Success
Oral	Peripheral blood culture	Anaerobic diphtheroidb	Success
Intravenous	Stool	Giardia lamblia	Failure	Patient developed diarrhoea after admission. Recent travel overseas. Resolution with oral metronidazole
Intravenous	Wound swab	Staphylococcus aureus	Success
Intravenous	Urine	Faecal streptococcus	Failure	Persistent fever despite sensitivity of organism to study antibiotics. Resolved with addition of ceftazidime.
Intravenous	Stool	Clostridium difficile toxin	Failure	Patient developed diarrhoea after admission, nosocomial infection. Resolution with oral metronidazole.
Intravenous	Sputum	Moraxella catarrhalis	Success

^aOne positive culture.

^bOne positive culture, non-JK group.