Table 1.
Population Characteristics of Infants Receiving Antibiotic Prophylaxis.a
| No BUTI (n=571) |
BUTI (n=60) |
p | |
|---|---|---|---|
| Female | 169 (30) | 12 (20) | 0.13 |
| Gestational age, weeks | |||
| ≤25 | 181 (32) | 16 (27) | 0.69 |
| 26–28 | 201 (37) | 20 (33) | |
| 29–32 | 101 (18) | 12 (20) | |
| 33–36 | 44 (8) | 7 (12) | |
| ≥37 | 35 (6) | 5 (8) | |
| Birth weight, g | |||
| <1000 | 330 (58) | 36 (60) | 0.12 |
| 1000–1499 | 134 (23) | 7 (12) | |
| 1500–2499 | 70 (12) | 10 (17) | |
| 2500–3499 | 31 (5) | 5 (8) | |
| ≥3500 | 6 (1) | 2 (3) | |
| Race/ethnicity | |||
| White | 258 (46) | 17 (29) | 0.07 |
| Black | 117 (21) | 18 (31) | |
| Hispanic | 152 (27) | 21 (36) | |
| Other | 30 (5) | 3 (5) | |
| Admission type | |||
| Inborn | 413 (74) | 45 (78) | 0.57 |
| Postnatal age at initiation of prophylaxis, days |
|||
| 0–30 | 151 (13) | 11 (7) | 0.002 |
| 31–60 | 375 (32) | 32 (22) | |
| >60 | 652 (55) | 104 (71) |
a
Data are presented as n(%).
BUTI: breakthrough urinary tract infection.