Table 2.
Characteristics of the cases that required high‐level care (n = 18)
| Did not require ICU(n = 249) | Required ICU (severe)(n = 18) | P b value | |
|---|---|---|---|
| N (%) | N (%) | ||
| Any medical risk factor a | 115 (46.2) | 11 (61.1) | .22 |
| Influenza B strain | 47 (19.0) | 7 (38.9) | .04 |
| Iron‐deficient anaemia | 21 (8.4) | 5 (27.8) | .01 |
| Food allergy | 6 (2.4) | 2 (11.1) | .09 |
| Proportion less than 2 y of age | 150 (60.2) | 14 (77.8) | .14 |
| Antiviral prescribed | 34 (13.7) | 2 (11.8) | .82 |
| Antibiotic prescribed | 121 (48.8) | 9 (52.9) | .74 |
| Co‐infection identified | 99 (39.8) | 8 (47.1) | .55 |
a
As defined in AIH.14
b
P value is chi‐square or Fisher's exact as appropriate