Table 2. Incidence of Type 1 Diabetes in Olmsted County, Minnesota, (1994-2010): Incident Cases by Age, Sex, and Calendar Time.
| Variable | Females (n=99) | Males (n=134) | All Patients (N=233) |
|---|---|---|---|
| Age, ya | |||
| 0-4 | 11 (12.7) | 11 (12.0) | 22 (12.4) |
| 5-9 | 22 (27.3) | 18 (21.3) | 40 (24.2) |
| 10-14 | 16 (20.2) | 31 (37.2) | 47 (28.9) |
| 15-19 | 8 (9.6) | 22 (26.4) | 30 (18.0) |
| 20-29 | 14 (7.4) | 24 (14.7) | 38 (10.8) |
| 30-39 | 13 (7.2) | 18 (10.4) | 31 (8.8) |
| ≥40 | 15 (3.3) | 10 (2.5) | 25 (2.9) |
| Yearsb | |||
| 1994-1998 | 7.2 (4.4-10.0) | 9.6 (6.3-12.8) | 8.4 (6.3-10.6) |
| 1999-2002 | 9.8 (6.2-13.4) | 11.1 (7.2-15.0) | 10.5 (7.8-13.1) |
| 2003-2006 | 7.5 (4.4-10.5) | 12.3 (8.4-16.2) | 9.9 (7.5-12.4) |
| 2007-2010 | 6.9 (3.9-9.8) | 8.9 (5.6-12.3) | 8.0 (5.7-10.2) |
| Overallb | |||
| All Agesc | 7.7 (6.2-9.2) | 10.5 (8.7-12.3) | 9.2 (8.0-10.4) |
| Age <20 yd | 16.5 (12.2-20.7) | 23.2 (18.2-28.2) | 19.9 (16.6-23.2) |
a
Results presented as No. of cases (annual unadjusted incidence rate per 100,000 cases per year).
b
Results presented as incidence (95% CI) per 100,000 cases per year directly adjusted to the 2010 US white population according to age and sex.
c
Incidence with respect to an all-age population, based on a total of 233 cases (age range, 1.4-79.5 years).
d
For reference, incidence was computed for an age-restricted population using the numerator of 139 cases and denominator of age younger than 20 years.