Receipt of Diabetes Preventive Services Documented in Medicaid Claims Data, OCHIN EHR Data, and Combined Medicaid Claims-EHR Data Set Among OCHIN Diabetic Patients With a Medicaid Identification Number (N = 2,103)
| Preventive Service | Period | Claims Data OnlyaNo. (%) | EHR Data OnlybNo. (%) | Combined DatacNo. (%) |
|---|---|---|---|---|
| EHR = electronic health record; HbA1c=glycated hemoglobin; LDL=low-density lipoprotein cholesterol. | ||||
| a Figure 1, A+ab. | ||||
| b Figure 1, B+ab. | ||||
| c Figure 1, A+B+ab. | ||||
| Data sources: OCHIN electronic health records (EHR) and Oregon Medicaid claims data. | ||||
| ≥1 LDL screen | 2005–2007 | 1,196 (56.9) | 1,588 (75.5) | 1836 (87.3) |
| 2005 only | 841(40.0) | 1,034 (49.2) | 1,345 (64.0) | |
| 2006 only | 756 (35.9) | 1,128 (53.6) | 1,343 (63.9) | |
| 2007 only | 684 (32.5) | 1,191 (56.6) | 1,348 (64.1) | |
| ≥1 Influenza vaccination | 2005–2007 | 1,083 (51.5) | 1,486 (70.7) | 1,517 (72.1) |
| 2005 only | 415 (19.7) | 990 (47.1) | 1,016 (48.3) | |
| 2006 only | 486 (23.1) | 895 (42.6) | 947 (45.0) | |
| 2007 only | 478 (22.7) | 897 (42.7) | 964 (45.8) | |
| ≥1 Microalbumin screen | 2005–2007 | 872 (41.5) | 1,364 (64.9) | 1,517 (72.1) |
| 2005 only | 524 (24.9) | 764 (36.3) | 920 (43.7) | |
| 2006 only | 507 (24.1) | 810 (38.5) | 942 (44.8) | |
| 2007 only | 472 (22.4) | 847 (40.3) | 946 (45.0) | |
| ≥1 HbA1c | 2005–2007 | 1,374 (65.3) | 1,905 (90.6) | 2,025 (96.3) |
| 2005 only | 984 (46.8) | 1,422 (67.6) | 1,652 (78.6) | |
| 2006 only | 1,005 (47.8) | 1,537 (73.1) | 1,714 (81.5) | |
| 2007 only | 876 (41.7) | 1,550 (73.7) | 1,699 (80.8) | |