Table 3

Antibiotic use

 PICURelative risk (95% CI)Infectious wardRelative risk (95% CI)Non-infectious wardRelative risk (95%CI)OverallRelative risk
(95% CI)
Pre
n=228 (%)
Post
n=281 (%)
Pre
n=466 (%)
Post
n=450 (%)
Pre
n=533 (%)
Post
n=688 (%)
Pre
n=1227 (%)
Post
n=1419 (%)
Number of patients who received antibiotics212 (93)258 (92)345 (74)340 (76)223 (42)284 (41)780 (64)882 (62)
Number of patients exposed to incorrect or inappropriate antibiotics118 (55.6)93 (36)0.64 (0.52 to 0.79)135 (39.1)52 (15.3)0.39 (0.29 to 0.51)83 (37.2)37 (13)0.35 (0.24 to 0.49)336 (43)182 (20.6)0.46 (0.40 to 0.55)
 Inappropriate spectrum10789113525934279175
 Incorrect dose100190232522
 Inappropriate duration11301051
  • PICU, paediatric intensive care unit; Post, postintervention; Pre, preintervention.