| Insurance Coverage | Patients | P value* | ||
|---|---|---|---|---|
| Screened (n) | Total (n) | % | ||
| Nonexemplars | ||||
| Medicare or commercial | 588 | 1937 | 30.4 | |
| Medicaid or IHS | 48 | 256 | 19.1 | <.001 |
| Self-pay | 14 | 109 | 12.8 | |
| Exemplars | ||||
| Medicare or commercial | 536 | 906 | 59.2 | |
| Medicaid or IHS | 72 | 185 | 38.9 | <.001 |
| Self-pay | 10 | 26 | 38.5 | |
IHS, Indian Health Service.
↵* P values for exemplars versus nonexemplars; comparisons were (1) Medicare or commercial, P < .001; (2) Medicaid or IHS, P < .001; (3) self-pay, P=.004; and (4) total, P < .001.