Table 3 Summary Statistics from the Pack Year and Cessation Date Algorithms
From: Building a tobacco user registry by extracting multiple smoking behaviors from clinical notes
Annotation | a) Pack years regular expression extraction | Annotation | b) Cessation date regular expression extraction | ||
|---|---|---|---|---|---|
Sensitivity: 91.7% Specificity: 95.2% | Sensitivity: 63.2% Specificity: 94.6% | ||||
Pack year history found | Pack year history not found | Cessation date found | Cessation date not found | ||
Pack year history recorded | 33 | 3 | Cessation date recorded | 12 | 7 |
No pack year history recorded | 8 | 179 | Cessation date not recorded | 11 | 193 |