Table 2.
Percentage of patients with type 2 diabetes attaining ADA goals of cardiovascular risk factor control (HbA1c <53 mmol/mol [7.0%], blood pressure <130/80 mmHg, and LDL cholesterol <2.6 mmol/L) in the Louisiana State University Hospital-based Longitudinal Study from 2001 to 2009
| Year | P value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | ||
| Number of participants | ||||||||||
| African American | 1,423 | 1,533 | 1,710 | 1,420 | 1,573 | 1,661 | 1,711 | 1,831 | 2,084 | |
| White | 936 | 1,043 | 1,340 | 1,327 | 1,424 | 1,591 | 1,655 | 1,593 | 1,849 | |
| Total | 2,359 | 2,576 | 3,050 | 2,747 | 2,997 | 3,252 | 3,366 | 3,424 | 3,933 | |
| HbA1c | ||||||||||
| African American | 64.3 | 65.8 | 64.3 | 68.2 | 68.8 | 69.4 | 67.6 | 68.0 | 66.0 | 0.037 |
| White | 72.0 | 74.9 | 74.8 | 79.5 | 76.5 | 75.9 | 75.6 | 75.1 | 74.9 | 0.512 |
| Total | 68.1 | 70.2 | 68.5 | 74.1 | 72.9 | 72.8 | 71.9 | 71.7 | 70.6 | 0.019 |
| Blood pressure | ||||||||||
| African American | 21.0 | 22.4 | 23.4 | 23.2 | 22.4 | 25.5 | 22.9 | 27.6 | 27.0 | <0.001 |
| White | 30.8 | 31.4 | 29.9 | 33.0 | 31.7 | 30.2 | 30.8 | 32.3 | 35.4 | 0.043 |
| Total | 24.7 | 25.9 | 26.1 | 27.5 | 26.5 | 27.4 | 26.4 | 29.4 | 30.7 | <0.001 |
| LDL cholesterol | ||||||||||
| African American | 42.9 | 40.9 | 40.9 | 41.5 | 40.7 | 41.2 | 37.0 | 43.0 | 39.5 | 0.126 |
| White | 51.3 | 52.7 | 48.6 | 47.4 | 49.5 | 45.6 | 46.0 | 48.8 | 48.6 | 0.024 |
| Total | 46.5 | 45.8 | 44.4 | 44.3 | 44.8 | 43.1 | 41.1 | 45.4 | 43.5 | 0.008 |
| All three | ||||||||||
| African American | 6.9 | 7.4 | 6.4 | 6.3 | 6.3 | 7.3 | 6.1 | 9.0 | 8.0 | 0.089 |
| White | 9.8 | 11.2 | 9.2 | 10.6 | 9.5 | 8.2 | 9.4 | 10.0 | 12.3 | 0.351 |
| Total | 8.2 | 9.1 | 7.8 | 8.6 | 8.0 | 7.8 | 7.8 | 9.5 | 10.2 | 0.046 |
HbA1c: glycosylated hemoglobin; LDL cholesterol: low-density lipoprotein cholesterol
Values are adjusted for age, BMI, smoking status, income, type of insurance, use of antihypertensive drugs, use of diabetes medications, and use of cholesterol-lowering agents.