Patient characteristics
| Total n=104 (%) | Mild n=20 (%) | Moderate n=52 (%) | Severe n=32 (%) | p Value | |
| Gender (male) | 54 (52%) | 12 (60%) | 24 (46%) | 18 (56%) | NS |
| Age (days) | 92 (38.2–289.8) | 129 (63.0–368.3) | 165.0 (66.0–422.0) | 37.5 (22.0–86.5) | <0.001* |
| Prematurity (<35 weeks) | 5 (5%) | 1 (5%) | 3 (6%) | 1 (3%) | NS |
| Onset symptoms (days) | 3.0 (2.0–4.8) | 2.5 (1.3–3.8) | 3.0 (2.0–5.0) | 4.0 (2.0–4.8) | NS |
| Duration admission (days) | 6.5 (3.3–10.8) | 2.0 (2.0–3.0) | 6.0 (4.0–8.0) | 11.0 (9.3–13.8) | <0.001** |
| RSV infection | 68 (65%) | 8 (40%) | 38 (73%) | 23 (72%) | <0.05*** |
| % mono-infection RSV | 39 (57%) | 3 (37.5%) | 20 (53%) | 16 (70%) | <0.001 |
Values are given in numbers (percentages) or medians (25th–75th percentiles). NS not signifficant.
*Mild versus severe p=0.001, moderate versus severe p<0.0001.
**Mild versus moderate/severe p<0.0001, moderate versus severe p<0.0001
***Mild versus moderate/severe (p<0.05).