IVIG timing | Age <1 year | Age >1 year | ||||||
Cases (n) | Z<2.5 | Z≥2.5 | Missing | Cases (n) | Z<2.5 | Z≥2.5 | Missing | |
IVIG before day 7 | 45 | 33 | 11 | 1 | 160 | 138 | 17 | 5 |
IVIG days 7–10 | 28 | 12 | 15 | 1 | 142 | 116 | 23 | 3 |
IVIG >day 10 | 14 | 3 | 9 | 2 | 79 | 62 | 15 | 2 |
No IVIG or missing | 8 | 4 | 2 | 49 | 41 | 1 |
Numbers were small, so statistical comparison of these groups was not performed. Absolute numbers are given