Table 3 Comparison of the pattern-matching algorithm classification to data review
Data Review (reference standard) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Current | Never | Not Current | Past | Unknown | Conflicting Information | Not Smoking-related | Accuracy (%) | ||
Pattern-Matching Algorithm | Current | 23,858 | 5 | 243 | 298 | 1562 | 2688 | 28 | 83.2 |
Never | 0 | 53,211 | 32 | 49 | 1 | 274 | 0 | 99.3 | |
Not Current | 0 | 0 | 2696 | 2 | 284 | 0 | 0 | 90.4 | |
Past | 2 | 1 | 1 | 21,691 | 2 | 6 | 0 | 99.9 | |
Unknown | 236 | 13 | 819 | 282 | 2479 | 20 | 67 | 63.3 | |