Validation estimates of the pairwise comparisons among all study patients
| Comparisons | Validation estimates (%) | |||
| PPV (95% CI) | Sn (95% CI) | NPV (95% CI) | Sp (95% CI) | |
| CDM vs EHRs (n=874) | 1.00 (0.99 to 1.00) | 0.93 (0.90 to 0.95) | 0.92 (0.89 to 0.95) | 1.00 (0.99 to 1.00) |
| CDM vs paper-based records | 0.54 (0.47 to 0.61) | 0.93 (0.86 to 0.97) | 0.96 (0.92 to 0.98) | 0.68 (0.62 to 0.73) |
| CDM vs re-diagnosis (n=874) | 1.00 (0.99 to 1.00) | 0.93 (0.90 to 0.95) | 0.92 (0.89 to 0.95) | 1.00 (0.99 to 1.00) |
| EHRs vs re-diagnosis (n=806*) | 1.00 (0.99 to 1.00) | 1.00 (0.99 to 1.00) | 1.00 (0.99 to 1.00) | 1.00 (0.99 to 1.00) |
| EHRs vs paper-based records (n=336*) | 0.53 (0.45 to 0.61) | 0.98 (0.92 to 1.00) | 0.99 (0.96 to 1.00) | 0.68 (0.62 to 0.74) |
*Controls in the CDM that were identified as cases in EHRs were excluded from this analysis with their corresponding cases.
CDM, common data model; EHR, electronic health record; NPV, negative predictive value; PPV, positive predictive value; Sn, sensitivity; Sp, specificity.