Table 1 Baseline characteristics by hospital and intervention periods
Intervention | Non-intervention | Total | ||||
|---|---|---|---|---|---|---|
Campus A (N = 74) | Campus B (N = 100) | Campus A (N = 107) | Campus B (N = 87) | Campus A (N = 181) | Campus B (N = 187) | |
Sex | ||||||
Female | 50 (67.6%) | 75 (75.0%) | 64 (59.8%) | 60 (69.0%) | 114 (63.0%) | 135 (72.2%) |
Male | 24 (32.4%) | 25 (25.0%) | 43 (40.2%) | 27 (31.0%) | 67 (37.0%) | 52 (27.8%) |
Age | ||||||
Mean (SD) | 57.4 (21.6) | 61.5 (20.2) | 62.3 (17.6) | 59.8 (18.7) | 60.3 (19.4) | 60.7 (19.5) |
Charlson score | ||||||
Mean (SD) | 1.04 (1.50) | 1.63 (2.59) | 1.32 (1.81) | 1.67 (2.55) | 1.20 (1.69) | 1.65 (2.56) |
Admitting service | ||||||
Medical | 38 (51.4%) | 49 (49.0%) | 54 (50.5%) | 53 (60.9%) | 92 (50.8%) | 102 (54.5%) |
Surgical | 36 (48.6%) | 51 (51.0%) | 53 (49.5%) | 34 (39.1%) | 89 (49.2%) | 85 (45.5%) |
Number of other allergies | ||||||
Mean (SD) | 1.18 (1.58) | 1.45 (1.94) | 1.51 (2.03) | 1.68 (2.45) | 1.38 (1.86) | 1.56 (2.19) |
Antibiotics used 6 months prior to admission | ||||||
Antibiotics used | 14 (18.9%) | 12 (12.0%) | 21 (19.6%) | 19 (21.8%) | 35 (19.3%) | 31 (16.6%) |
No antibiotics used | 60 (81.1%) | 88 (88.0%) | 86 (80.4%) | 68 (78.2%) | 146 (80.7%) | 156 (83.4%) |