Study sample characteristics All infusions n=62
(100 %)
Complicated infusions n =23 (37.1%)
Age
Birth-28 days 24 (38.7%) 5 (21.7%)
1-23 months 10 (16.1%) 4 (17.4%)
2–5 years 11 (17.7%) 4 (17.4%)
6-9 years 13 (20.9%) 10 (43.5%)
≥ 10 years 4 (6.4%) 0 (0%)
Indications (diagnostic category) 
Infections 23 (37.1%) 6 (26.1%)
Hematological disorders 11 (17.7%) 3 (13%)
Neurological disorders 11 (17.7%) 4 (17.4%)
Other autoimmune disorders 6 (9.7%) 2 (8.7%)
Primary immunodeficiency disorders (PIDs) 5 (8.1%) 4 (17.4%)
PIDs with hematological disorders 4 (6.4%) 4 (17.4%)
Unclear diagnosis 2 (3.2%) 0 (0 %)
Risk factors 
No risk factors 45 (72.5%) 9 (39.1%)
Nephrotoxic drugs 11 (17.7%) 8 (34.8%)
Suspected autoimmune disorders 7 (11.3%) 7 (30.4%)
Preexisting renal problems 6 (9.7%) 5 (21.7%)
Allergy 4 (6.4%) 3 (13%)
Type I diabetes mellitus 2 (3.2%) 2 (8.7%)
Multiple risk factors 10 (16.1%) 9 (39.1%)
One risk factor 7 (11.3%) 5 (21.7%)
Table 1: General characteristics of intravenous immunoglobulin transfusion recipients