Table 2. Total Health Plan Enrollment and Number of Members With Diabetes, by Centers Participating in the SUPREME-DM Project, 2005-2009.
| Site | Enrolled Members, n | Members With Diabetes, n (%) | Mean Years of Enrollment After Diabetes Diagnosisa | Mean Age at First Diabetes Indication, y | % Female |
|---|---|---|---|---|---|
| 1 | 836,169 | 51,989 (6.2) | 5.1 | 56.6 | 48.7 |
| 2 | 4,904,140 | 361,894 (7.4) | 5.4 | 56.5 | 48.0 |
| 3 | 305,968 | 20,331 (6.6) | 5.3 | 59.4 | 52.0 |
| 4 | 5,488,817 | 389,647 (7.1) | 5.0 | 55.8 | 47.0 |
| 5 | 568,157 | 31,842 (5.6) | 4.3 | 52.9 | 49.2 |
| 6 | 224,821 | 27,781 (12.4) | 5.6 | 58.1 | 52.5 |
| 7 | 220,934 | 26,680 (12.1) | 4.6 | 60.7 | 49.7 |
| 8 | 1,463,011 | 61,212 (4.2) | 4.8 | 54.6 | 47.1 |
| 9 | 392,858 | 30,066 (7.7) | 5.4 | 56.8 | 52.2 |
| 10 | 577,495 | 42,926 (7.4) | 5.1 | 57.1 | 51.0 |
| 11 | 783,159 | 41,579 (5.3) | 5.0 | 57.7 | 47.6 |
| Total | 15,765,529 | 1,085,947 (6.9) | 5.0 | 55.7 | 48.1 |
a Calculated as number of years following first indication of diabetes as described in Table 1 until end of health system enrollment or December 31, 2009, whichever came first.