Table 6.
Condition | n | Sensitivity | FNER | PPV | FPER |
---|---|---|---|---|---|
Coronary artery bypass | 123 | 0.54 | 0.46 | 0.76 | 0.24 |
Coronary angioplasty | 162 | 0.82 | 0.18 | 0.84 | 0.16 |
Carotid endarterectomy | 311 | 0.99 | 0.01 | 0.99 | 0.01 |
Abdominal aortic aneurysm repair | 301 | 0.97 | 0.03 | 0.87 | 0.13 |
Hip replacement | 360 | 0.96 | 0.04 | 0.97 | 0.03 |
Acute myocardial infarction | 378 | 0.85 | 0.15 | 0.77 | 0.23 |
Stroke | 389 | 0.95 | 0.05 | 1.00 | 0 |
n, number of hospitals; FNER, false-negative error rate (proportion of high-performance hospitals “missed” by the “no date stamp” models); PPV, positive predictive value; FPER, false-positive error rate (proportion of hospitals misclassified as high-quality hospitals by “no date stamp” model).