Table 3.
Random sample of patients with possible incident T2DM by computable phenotype (CP) and site among selected health care systems in PCORnet, 2012-2016
| Total Reviewed | Total Confirmed | PPV1 (95% CI2) | |||
|---|---|---|---|---|---|
| Overall | 916 | 53 | 5.8 | (4.5, | 7.5) |
| By case type | |||||
| CP1 - Diabetes diagnosis and medication use | 573 | 38 | 6.6 | (4.9, | 9.0) |
| CP2 - Diabetes diagnosis and HbA1c ≥6.5% | 332 | 13 | 3.9 | (2.3, | 6.6) |
| CP3 - HbA1c ≥6.5% and medication use | 11 | 2 | 18.2 | (5.1, | 47.7) |
| By site | |||||
| Vanderbilt University Health System | 199 | 6 | 3.0 | (1.4, | 6.4) |
| OneFlorida | 213 | 20 | 9.4 | (6.2, | 14.1) |
| University of North Carolina | 307 | 20 | 6.5 | (4.3, | 9.8) |
| Tulane | 197 | 7 | 3.6 | (1.7, | 7.2) |
1
PPV: Positive predictive value
2
Confidence interval using Wilson’s formula