Table 1.
Demographics of NAMCS database hypertensive patients between 1995–2000 (≥65 years vs <65 years)
| Demographic | <65 years | SE | ≥65 years | SE | p-value |
|---|---|---|---|---|---|
| # of Visits | 162 066 279 | 8 783 013.7 | 170 444 001 | 8 955 696.8 | 0.0843 |
| % Female | 53.2 | 1.1 | 63.8 | 0.9 | <0.0001 |
| % Nonwhite | 25.3 | 2.2 | 16.8 | 1.6 | <0.0001 |
| % Urban | 19.4 | 3.2 | 21.7 | 3.5 | 0.1018 |
| % Self-pay | 7.7 | 0.6 | 2.1 | 0.4 | <0.0001 |
| Region overall | 0.0425 | ||||
| % Northeast | 20.0 | 1.8 | 23.5 | 2.1 | 0.0054 |
| % South | 25.4 | 2.0 | 25.2 | 2.1 | 0.8892 |
| % Midwest | 32.4 | 2.7 | 30.5 | 2.7 | 0.2216 |
| % West | 22.2 | 2.6 | 20.8 | 2.0 | 0.4374 |
Abbreviations: NAMCS, National Ambulatory Medical Care Survey; SE, standard error.
Note: “Region overall” refers to chi-square test of association. All other p-values indicate pairwise differences between geriatric age category for each region category.