Table 2 Accuracy of recording of TKR and death in EHRs
N = 201,462 | TKR | Death |
|---|---|---|
True positives | 7854 | 6304 |
True negatives | 186,937 | 187,527 |
False positives | 784 | 3277 |
False negatives | 4621 | 4354 |
Sensitivity | 63.0% | 59.1% |
Specificity | 99.6% | 98.3% |
Accuracy | 96.7% | 96.2% |
Proportion of true TKRs with a correctly recorded year of surgery | 57.2% | – |
Proportion of true TKRs with a correctly recorded side | 3.4% | – |
Proportion of true deaths with a correctly recorded year of death | – | 49.0% |