TABLE 1.

Descriptive statistics of sample studied

Cohort	Origin	Collection	Pedigrees	Type 1 diabetic sibs per pedigree	Type 1 diabetic offspring in cohort	Type 1 diabetic male	Type 1 diabetic female	Male (%)	Age of onset (years)	Age of onset (range)
AP	Asia Pacific	New	150	2.02 ± 0.24	303	153	150	50.50	10.06 ± 7.43	0–37
DAN	Denmark	Extant	94	2.05 ± 0.33	194	105	90	54.12	11.73 ± 8.30	0.8–49
EUR	Europe	New	470	2.01 ± 0.10	945	513	432	54.29	10.76 ± 7.26	1–35
HBDI	U.S.	Extant	416	2.10 ± 0.42	879	471	410	53.58	11.90 ± 8.22	0.8–50
JOS	U.S.	Extant	57	2.14 ± 0.58	122	60	62	49.18	11.22 ± 7.31	1–31
NA	U.S.	New	407	2.01 ± 0.21	819	435	384	53.11	8.763 ± 6.45	0–34
SAR	Sardinia	Extant	52	1.98 ± 0.14	101	47	54	46.53	12.34 ± 7.90	0.7–34
UK	U.K.	New	107	2.00 ± 0.13	214	97	117	45.33	7.65 ± 4.48	0–23
Total			1,753	2.03 ± 0.28	3,577	1,881	1,699	52.59	10.44 ± 7.41	0–50

Data are means ± SD unless otherwise indicated.