| Patient Characteristics | Exemplars (n=1188) | Non-exemplars (n=2408) | Significance p-value | ||
|---|---|---|---|---|---|
| No. | % | No. | % | ||
| Sex | |||||
| Female | 738 | 62.3 | 1470 | 61.1 | NS |
| Missing | 3 | 0.3 | 2 | 0.1 | NS |
| Age (mean years) | 64.0 | 4.8 | 63.2 | 3.4 | .015 |
| Race | |||||
| White | 604 | 50.8 | 940 | 39.0 | <.001 |
| Black | 173 | 14.6 | 244 | 10.1 | <.001 |
| Native American | 116 | 9.8 | 171 | 7.1 | <.007 |
| Asian Pacific | 10 | 0.8 | 177 | 7.4 | <.001 |
| Missing | 285 | 24.0 | 876 | 36.4 | <.001 |
| Payor | |||||
| Commercial | 453 | 38.1 | 1009 | 41.9 | .03 |
| Medicare | 453 | 38.1 | 928 | 38.5 | NS |
| Medicaid | 91 | 7.7 | 141 | 5.9 | .04 |
| Indian Health Service | 94 | 7.9 | 115 | 4.8 | <.001 |
| Self-pay | 26 | 2.2 | 109 | 4.5 | <.001 |
| Missing | 71 | 6.0 | 106 | 4.4 | NS |
| Medical Problems | |||||
| Cancer | 4.3 | 51 | 3.0 | 72 | .029 |
| COPD | 9.3 | 110 | 10.8 | 259 | NS |
| Dementia | 1.3 | 16 | 1.0 | 25 | NS |
| Depression | 17.5 | 208 | 15.0 | 361 | NS |
| Diabetes | 24.7 | 293 | 24.6 | 593 | NS |
| Heart disease | 16.6 | 197 | 15.5 | 373 | NS |
| Hypertension | 56.8 | 675 | 58.2 | 1402 | NS |
| Renal failure | 2.4 | 28 | 1.1 | 27 | .006 |
| Stroke | 2.4 | 29 | 2.3 | 55 | NS |
| Preventive services* | |||||
| Influenza vaccination | 364 | 45.3 | 772 | 42.1 | NS |
| Cholesterol screening | 1066 | 90.3 | 1998 | 83.9 | <.001 |
| Mammogram | 496 | 67.4 | 726 | 49.8 | <.001 |
↵* Excludes services refused or not indicated.
COPD, chronic obstructive pulmonary disease; NS, not statistically significant.