Patient and Practice Characteristics
| Group Comparison | ||||
|---|---|---|---|---|
| Characteristic | All Practices (n=42) | EHR Practices (n=16) | Non-EHR Practices (n=26) | P Value |
| Patients | ||||
| Baseline, No. | 763 | 312 | 451 | – |
| Age, mean (SD), y | 60.2 (14.6) | 57.7 (14.9) | 61.9 (14.1) | .005a |
| Women, % | 53.0 | 55.4 | 51.3 | .37a |
| 1-Year follow-up, No. | 792 | 298 | 494 | – |
| Age, mean (SD), y | 60.1 (14.0) | 57.0 (13.1) | 62.0 (14.2) | <.001a |
| Women, % | 48.3 | 53.9 | 44.9 | .06a |
| 2-Year follow-up, No. | 798 | 306 | 492 | – |
| Age, mean (SD), y | 60.5 (14.5) | 59.2 (14.0) | 61.3 (14.8) | .23a |
| Women, % | 51.6 | 52.9 | 50.8 | .69a |
| Practices | ||||
| Number of clinicians, mean (SD) | 5.0 (4.2) | 5.8 (5.8) | 4.4 (2.9) | .48b |
| Number of staff, mean (SD) | 14.3 (10.4) | 12.9 (8.8) | 15.2 (11.4) | .31b |
| Staff–clinician ratio (SD) | 3.1 (1.8) | 2.7 (1.6) | 3.4 (1.8) | .26b |
| Practice type, % (No.) | .19c | |||
| Solo | 21 (9) | 6 (1) | 31 (8) | |
| Group | 79 (33) | 94 (15) | 69 (18) | |
| Physician owned, % (No.) | 76 (32) | 63 (10) | 85 (22) | .14c |
| Intervention, % (No.) | 47 (20) | 50 (8) | 46 (12) | 1.00c |