Table 4 The sensitivity and specificity of HITEx for smoking status extraction.
| Â | Current Smoker | Never Smoked | Denies Smoking | Past Smoker | Not mentioned/Insufficient Data |
|---|---|---|---|---|---|
Sensitivity | 90.32% | 60.00% | 100.00% | 77.78% | 94.57% |
Specificity | 92.56% | 98.60% | 99.34% | 99.26% | 95.08% |