Table 3.
Table 3 First Antibiotics Ordered 1 (%)
| Study (N = 112 Orders) | Control (N = 114 Orders) | p Value | |
|---|---|---|---|
| Vancomycin | 38 (33) | 41 (36) | 0.78 |
| Aminoglycosides | 33 (29) | 16 (14) | 0.005 |
| Antipseudomonal β-lactams | 33 (29) | 21 (18) | 0.052 |
| Levofloxacin | |||
| Other 2 | 5 (4) | 21 (18) | 0.001 |
| 3 (3) | 15 (13) | 0.003 | |
| Shift when ordered ∗ : | |||
| 1st, 0731–1,530 | 42 (59) | 14 (29) | <0.001 |
| 2nd, 1531–2230 | 21 (30) | 29 (42) | 0.014 |
| 3rd, 2,331–0730 | 8 (11) | 14 (29) | 0.056 |
1 Study (n = 48) and control (n = 49) patients received first antibiotic orders in addition to vancomycin, tobramycin, or gentamicin.
2 Other antibiotics included ampicillin/sulbactam, azithromycin, ceftriaxone, clindamycin, and metronidazole.
∗ Orders for vancomycin and aminoglycosides only in the study (n = 71) and control (n = 57) groups.