Table 1.

Description of the research population in the discovery and follow-up studies

Characteristic	Discovery study	Follow-up study
Genotyping assay	Infinium Immunochip (Illumina)	KASP (LGC Genomics)
Participant types	Children with new-onset type 1 diabetes from family-based DanDiabKids registry	Children with new-onset type 1 diabetes/unaffected children from family-based DanDiabKids registry
Number of participants	1105	190/265
Number of participants with quantified plasma protein N-glycans	1074	175/264
Number of participants with quantified IgG N-glycans	1086	177/260
Median age (range), years	10 (1–18)	10 (1–19)/11 (2–23)
Percentage female	47.6	43.6/47.7