| High Case Mix (n = 32) | Low Case Mix (n = 20) | P Value | |||
|---|---|---|---|---|---|
| No. | % | No. | % | ||
| Practice type | |||||
| Adult | 12 | 37.5 | 2 | 10.0 | |
| Mixed | 19 | 59.4 | 13 | 65.0 | .01 |
| Pediatric | 1 | 3.1 | 5 | 25.0 | |
| Rural (federal designation) | |||||
| No | 30 | 93.8 | 18 | 90.0 | .63 |
| Yes | 2 | 6.3 | 2 | 10.0 | |
| Use of telemedicine | |||||
| No | 19 | 59.4 | 13 | 65.0 | .77 |
| Yes | 13 | 40.6 | 7 | 35.0 | |
| NCQA Practice level | |||||
| Deemed level I | 26 | 81.3 | 17 | 85.0 | .73 |
| Level III | 6 | 18.8 | 3 | 15.0 | |
| Shared savings eligibility | |||||
| 30% share | 6 | 18.8 | 4 | 20.0 | .57 |
| 40% share | 12 | 37.6 | 10 | 50.0 | |
| 50% share | 14 | 43.8 | 6 | 30.0 | |
| Health information exchange | |||||
| No | 4 | 12.5 | 5 | 25.0 | .28 |
| Yes | 28 | 87.5 | 15 | 75.0 | |
| Practice size (no. providers) | |||||
| 1–5 | 15 | 46.9 | 8 | 40.0 | .65 |
| 6–10 | 12 | 37.5 | 10 | 50.0 | |
| ≥11 | 5 | 15.6 | 2 | 10.0 | |
| Medicaid patients (mean %) | 13.0 | 24.6 | .04 | ||
| Mean age, years (%) | |||||
| 0–18 | 17.1 | 40.0 | .01 | ||
| 19–49 | 45.7 | 39.0 | .20 | ||
| ≥50 | 37.2 | 26.3 | .02 | ||
NCQA, National Committee for Quality Assurance.