Table 4.
Clinical characteristics of infants admitted for bronchiolitis with fever (N = 866), treated or not with antibiotics.
| Clinical Characteristics | Antibiotic Treatment N = 191 |
No Antibiotic Treatment N = 675 |
p-Value | OR (95% CI) |
|---|---|---|---|---|
| Sex, male | 106 (56%) | 366 (54%) | 0.755 | 1.1 (0.8 to 1.5) |
| Age (months) * | 7.8 ± 5.9 | 6.5 ± 6.3 | 0.016 | |
| Prematurity | 19 (10%) | 61 (9%) | 0.701 | 1.1 (0.6 to 1.9) |
| Duration of fever (days) * | 3.4 ± 3.1 | 2.4 ± 1.9 | <0.001 | |
| Hypoxia | 153 (81%) | 483 (72%) | 0.015 | 1.6 (1.1 to 2.4) |
| Duration of hypoxia (days) * | 3.8 ± 2.8 | 3.1 ± 2.3 | 0.001 | |
| Length of hospital stay (days) * | 6.1 ±3.4 | 4.7 ± 2.7 | <0.001 | |
| Infiltrate/atelectasis | 132 (74%) | 176 (35%) | <0.001 | 5.2 (3.5 to 7.6) |
| PICU admission | 14 (7%) | 17 (3%) | 0.003 | 2.9 (1.4 to 6.0) |
| Respiratory virus detection | 162 (86%) | 597 (90%) | 0.104 | 0.7 (0.4 to 1.1) |
| Leucocytes (cells/mm3) * | 15,125 ± 9564 | 13,409 ± 11,265 | 0.086 | |
| Serum C reactive protein (mg/L) * | 49.1 ± 54 | 21.5 ± 22.3 | <0.001 |
* mean ± standard deviation. PICU: pediatric intensive care unit.