Table 3 The precision of ICD9 and HITEx for principal diagnosis and co-morbidity extraction.
| Â | Â | ICD9 | HITEx | ICD9 and HITEx | ICD9 or HITEx |
|---|---|---|---|---|---|
Exclude Insufficient Data | Principal | 82.32% | 82.28% | 81.06% | 87.41% |
| Â | Co-morbidity | 53.46% | 69.71% | 69.88% | 64.63% |
Insufficient Data = Yes | Principal | 75.64% | 75.03%/ | 75.01% | 78.24% |
| Â | Co-morbidity | 50.99% | 64.51% | 65.00% | 60.63% |
Insufficient Data = No | Principal | 79.69% | 79.35% | 79.22% | 83.19% |
| Â | Co-morbidity | 50.53% | 64.11% | 62.48% | 60.14% |