Table 2.
Comparison of clinical characteristics among children with bronchiolitis due to single RSV, hBoV, hMPV, and RV infection, and RSV-mixed viral infection
| Variable | RSV (n = 31) | hBoV (n = 6) | hMPV (n = 6) | RV (n = 7) | RSV-multiple (n = 18) |
|---|---|---|---|---|---|
| Male sex | 22 (75.9) | 4 (66.7) | 5 (83.3) | 7 (100) | 13 (65) |
| Age (mean ± standard deviation, mo) | 9.5 ± 6.3 | 15.0 ± 5.4 | 7.6 ± 4.4 | 7.5 ± 2.9 | 9 ± 5.9 |
| Radiographic findings | (n = 16) | ||||
| Normal | 17 (54.8) | 3 (50) | 2 (33.3) | 3 (42.9) | 4 (25) |
| Diffused air trapping | 10 (32.3) | 0 | 4 (66.7) | 3 (42.9) | 9 (56.3) |
| Patchy infiltrates | 4 (12.9) | 3 (50) | 0 | 1 (14.3) | 3 (18.8) |
| Fever duration (mean ± standard deviation, d) | 2.7 ± 2.3 | 4.8 ± 2.5 | 3.3 ± 2.7 | 2.3 ± 2.2 | 3.0 ± 2.9 |
| Hospital stay (mean ± standard deviation, d) | 7.6 ± 9.3 | 5.8 ± 2.6 | 6.5 ± 1.9 | 7.7 ± 2.4 | 6.0 ± 2.0 |
| Antibiotic treatment | 8 (27.6) | 1 (16.7) | 3 (50) | 1 (14.3) | 3 (15) |
| Leukocytes (mean ± standard deviation, ×1000 cells/mm3) | 11.7 ± 6.9 | 11.7 ± 3.6 | 11.0 ± 4.1 | 14.0 ± 5.7 | 10.6 ± 5.6 |
| Serum C-reactive protein (mean ± standard deviation, mg/dL) | 13.1 ± 17.7 | 10.5 ± 8.8 | 13.5 ± 18.4 | 9.0 ± 6.8 | 13.2 ± 22.1 |
hBoV = human bocavirus; hMPV = human metapneumovirus; RSV = respiratory syncytial virus; RV = rhinovirus.