Table 4.
Concordance of complication diagnosis codes
| Complication | Kappa value | Sensitivity | Specificity | Positive predictive value | Percent of cases |
|---|---|---|---|---|---|
| Postoperative myocardial infarction | 0.86 | 100.0% | 99.9% | 75.0% | 0.3 |
| Postoperative any deep vein thrombosis/pulmonary embolus | 0.60 | 85.7% | 99.5% | 46.2% | 1.0 |
| Bleeding complications | 0.46 | 37.5% | 99.7% | 60.0% | 0.7 |
| Prosthetic-related complications | 0.45 | 29.4% | 100.0% | 100.0% | 0.4 |
| Postoperative renal failure | 0.37 | 33.3% | 99.2% | 47.6% | 1.6 |
| Postoperative pulmonary embolism | 0.00 | 0.00% | 99.8% | 0.0% | 0.2 |
| Postoperative proximal deep vein thrombosis | 0.00 | 0.00% | 100.0% | 0.0% | 0.0 |
| Postoperative nerve injury | 0.00 | 0.00% | 0.00% | 0.0% | 0.1 |
| Postoperative heart failure | 0.09 | 5.9% | 99.8% | 25.0% | 0.3 |