Characteristics of the study participants as of 30 November 2015
| Number (%) of children/samples | |
|---|---|
| Screened children | 26 760 (13 713 males (51.2%)) |
| Screened children with a first degree relative with type 1 diabetes | 962 (3.6%) |
| Samples with a sufficient volume to perform the 3-screen ELISA | 25 868 (96.7%) |
| Samples with insufficient volume for the 3-screen ELISA but sufficient for the RBA | 748 (2.8%) |
| Samples with insufficient volume for the 3-screen ELISA or the RBA prompting a request for a new sample | 144 (0.54%) |
| Sample obtained again and sent to the centre | 48 |
| Children with multiple islet autoantibodies detected in the first sample | 105 (0.39%) |
| Children with confirmed multiple islet autoantibodies (ie, pre-type 1 diabetes) | 63 |
| Children diagnosed with asymptomatic type 1 diabetes between the first and second sample | 4 |
| Children without confirmation of multiple islet autoantibodies | 14 |
| Children pending confirmation | 24 |
RBA, radiobinding assay.