TABLE 1.
Demographics
| Delayed therapy N=1516 (%) |
Empirical therapy N=2848 (%) |
|
|---|---|---|
| Gestational age, weeks | ||
| <25 | 517 (34) | 1028 (36) |
| 26–28 | 590 (39) | 1058 (37) |
| 29–32 | 311 (20) | 605 (21) |
| 33–36 | 61 (4) | 102 (4) |
| >37 | 37 (2) | 52 (2) |
| Birth weight, g | ||
| <1000 | 966 (64) | 1842 (65) |
| 1000–1499 | 375 (25) | 741 (26) |
| 1500–2499 | 129 (9) | 205 (7) |
| 2500–3499 | 33 (2) | 39 (1) |
| >3500 | 11 (1) | 21 (1) |
| Age at positive blood culture, days | ||
| <7 | 286 (12) | 90 (3) |
| 7–14 | 969 (41) | 1298 (44) |
| 15–28 | 736 (31) | 1071 (37) |
| >28 | 397 (17) | 467(16) |
| Race/ethnicity | ||
| White | 667 (46) | 1254 (46) |
| African-American | 372 (25) | 735 (27) |
| Hispanic | 360 (24) | 652 (24) |
| Other | 67 (4) | 107 (4) |
| Male | 803 (53) | 1534 (54) |
| Inborn | 1185 (79) | 2297 (82) |
| Cesarean section | 1038 (69) | 2006 (71) |
| Small for gestational age | 276 (18) | 547 (19) |
| Inotropic support on day of culture | 121 (8) | 302 (11) |
| Oxygen support on day of culture | 1049 (69) | 2058 (72) |
| Ventilator support on day of culture | 733 (49) | 1565 (55) |