Outcome	0–2 days of antibiotics n = 54	3–5 days of antibiotics n = 126	p value
Positive postoperative wound swab: n patients (%)	23 (43)	48 (37)	0.44
Re-starting of antibiotics: n patients (%)	1 (2)	1 (1)	0.54
Commencement of new antibiotics: n patients (%)	23 (43)	45 (26)	0.54
Bacteraemia: n patients (%)	2 (4)	1 (1)	0.16
Antibiotic resistance: n patients (%)	11 (20)	15 (12)	0.14