Table 1 Concordance of matched patient-level data from patients in a mid-size health system own data warehouse (Database A) to those patients data in a health information exchange data warehouse (Database B) and), Utah — 2015 (N = 72,356)
Variables | Concordant Valuesa | Discordant Values | Missing Value in Database A | Missing Value in Database B |
|---|---|---|---|---|
No. (%) | No. (%) | No. (%) | No. (%) | |
Month and Year of Birth | 72,246 (99.8) | 110 (0.2) | 0 | 0 |
Sex | 71,710 (99.1) | 646 (0.9) | 0 | 0 |
A1C Test Resultb | 65,006 (89.8) | 707 (1.0) | 3701 (5.1) | 2942 (4.1) |
Systolic Blood Pressure Readingb | 39,224 (54.2) | 3649 (5.1) | 22,232 (30.7) | 7251 (10.0) |
Diastolic Blood Pressure Readingb | 39,140 (54.1) | 3733 (5.2) | 22,232 (30.7) | 7251 (10.0) |