Table 3.
Clinical features associated with different RSV subgroups (n = 639).
| Characteristics | RSV-A (n = 289) |
RSV-B (n = 350) |
|
|---|---|---|---|
| Median [IQR] /number (%) |
Median [IQR] /number (%) |
||
| Age (months) | 15 [5–29] | 14 [5–26] | 0.368 |
| <2 | 36 (12.5) | 45 (12.9) | |
| 2–5 | 39 (13.5) | 46 (13.1) | |
| 6–11 | 37 (12.8) | 38 (16.6) | |
| 12–23 | 81 (28.0) | 100 (28.6) | |
| >24 | 96 (33.2) | 101 (28.9) | |
| Sex (male) | 144 (49.8) | 204 (58.3) | 0.074 |
| Period from onset to hospitalization (day) | 4 [2–5] | 3 [2–5] | 0.938 |
| Hospitalization period (day) | 5 [4–6] | 5 [4–6] | 0.834 |
| Fever | 250 (86.5) | 304 (86.9) | 0.997 |
| Rhinorrhea | 222 (76.8) | 251 (71.7) | 0.092 |
| Cough | 269 (93.1) | 325 (92.9) | 0.544 |
| Wheezing | 78 (27.0) | 95 (27.1) | 0.960 |
| WBC (/μL) | 9400 [7100–12300] | 9600 [7200–13125] | 0.312 |
| CRP (mg/dL) | 1.1 [0.3–2.6] | 1.1 [0.2–3.7] | 0.831 |
| Admission of PICU |
3 (1.0) |
1 (0.3) |
0.225 |
| Diagnosis | |||
| Tympanitis | 2 (0.7) | 6 (1.7) | 0.254 |
| URI | 15 (5.2) | 29 (8.3) | 0.135 |
| Croup | 2 (0.7) | 2 (0.6) | 0.838 |
| LRI |
270 (93.4) |
315 (90.0) |
0.058 |
| Single virus detection | 174 (60.2) | 188 (53.7) | 0.077 |
| Multiple virus detection | 115 (39.8) | 162 (46.3) | |
| Flu (A, B, C) | 8 (2.8) | 8 (2.3) | 0.679 |
| HCoV (HKU1, OC43, 229E, and NL63) | 8 (2.8) | 13 (3.7) | 0.412 |
| hMPV | 11 (3.8) | 20 (5.7) | 0.310 |
| HPIV (1, 2, 3, 4) | 19 (6.6) | 30 (8.6) | 0.466 |
| ADV (2, 4) | 32 (11.1) | 52 (14.9) | 0.148 |
| HBoV | 40 (13.8) | 53 (15.1) | 0.550 |
| HRV | 30 (10.4) | 44 (12.6) | 0.263 |
Data are shown as median (IQR) or numbers (%).
RSV, respiratory syncytial virus; IQR, interquartile range; WBC, white blood cell; CRP, C-reactive protein; PICU, pediatric intensive care unit; URI, upper respiratory infection; LRI, lower respiratory infection; Flu, influenza virus; HCoV, human coronavirus; hMPV, human metapneumovirus; HPIV, human parainfluenza virus; ADV, adenovirus; HBoV, human bocavirus; and HRV, human rhinovirus.