Table 2.
Patient characteristics of the Kaiser Permanente Northern California (KPNC) Hypertension Registry, 2001–2009.
| Year | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
|---|---|---|---|---|---|---|---|---|---|
| KPNC total adult population, N | 2,278,043 | 2,345,910 | 2,325,616 | 2,339,898 | 2,384,895 | 2,421,141 | 2,423,368 | 2,416,095 | 2,371,761 |
| KPNC Hypertension Registry, N | 349,937 | 415,687 | 432,611 | 509,783 | 543,650 | 572,100 | 600,523 | 610,724 | 652,763 |
| % of total KPNC adult membership | 15.4% | 17.7% | 18.6% | 21.8% | 22.8% | 23.6% | 24.8% | 25.3% | 27.5% |
| Mean ± SD age, yr | 63.0 ± 13.6 | 63.0 ± 13.8 | 62.9 ± 13.8 | 63.0 ± 13.9 | 63.0 ± 13.9 | 62.9 ± 14.0 | 63.0 ± 14.1 | 63.3 ± 14.2 | 63.0 ± 14.4 |
| Age category, yr | |||||||||
| 18–44 | 10.4% | 10.6% | 10.7% | 10.7% | 10.7% | 10.9% | 10.9% | 10.5% | 11.0% |
| 45–65 | 44.7% | 44.8% | 45.0% | 45.5% | 45.9% | 46.3% | 46.0% | 45.6% | 45.7% |
| 66–85 | 44.8% | 44.6% | 44.3% | 43.8% | 43.4% | 42.8% | 43.1% | 44.0% | 43.3% |
| Women | 52.1% | 52.2% | 52.3% | 52.4% | 52.3% | 52.2% | 52.2% | 52.3% | 52.7% |
| Race/Ethnicity | |||||||||
| White | NA | NA | NA | NA | NA | NA | NA | 58.8% | 58.4% |
| Black or African American | NA | NA | NA | NA | NA | NA | NA | 10.6% | 10.8% |
| Hispanic or Latino | NA | NA | NA | NA | NA | NA | NA | 13.3% | 13.2% |
| Asian or Pacific Islander | NA | NA | NA | NA | NA | NA | NA | 16.1% | 16.5% |
| Multiracial | NA | NA | NA | NA | NA | NA | NA | 0.8% | 0.8% |
| American Indian or Alaskan Native | NA | NA | NA | NA | NA | NA | NA | 0.3% | 0.3% |
| Diabetes mellitus | 25.6% | 25.9% | 26.2% | 28.0% | 27.8% | 27.8% | 28.0% | 29.1% | 28.5% |