Table 1.
Clinical and Laboratory Characteristics of the Patients
| Group 1 | Group 2 | Group 3 | |
|---|---|---|---|
| Number of patients | 26 | 31 | 18 |
| Sex (M:F) | 22:4 | 19:12 | 8:10 |
| Age, median (range) | 7 yr (3–11 yr) | 6 yr (4 mo–16 yr) | 5 yr (3–13 yr) |
| Underlying disease | 5 Asthma | 4 Asthma | 0 |
| O2 saturation, mean (SD)(%) | 92.2 (2.8)* | 96.2 (3.3) | 96.5 (2.0) |
| Hypoxia (no) | 20/26 | 5/31 | 1/18 |
| WBC, mean (SD)(/mm3) | 11,680 (3,595)* | 8,184 (3,764) | 8,750 (3,119) |
| Lymphocyte, mean (SD)(/mm3) | 632 (359)* | 1,713 (1,312)† | 2,014 (1,847) |
| CRP, mean (SD)(mg/dl) | 7.1 (4.3)* | 2.6 (2.6) | 2.9 (3.9) |
| Neuraminidase inhibitors (no) | 26/26 | 31/31 | 0/18 |
| Cephalosporin (no) | 26/26 | 21/31 | 8/18 |
| Macrolide (no) | 26/26 | 30/31 | 13/18 |
| Steroid (no) | 6/26 | 4/31 | 2/18 |
| IVIG (no) | 3/26 | 0/31 | 0/18 |
M, male; F, female; yr, year; mo, month; SD, standard deviation; no, number; WBC, total white blood cell count; CRP, C‐reactive protein; IVIG, intravenous immunoglobulin.
P < 0.05 versus group 2 and group 3.
P < 0.05 versus group 3.