Table 2.
Length of time (days) between first recorded lung cancer clinical features within two years (24 months) of diagnosis and date of diagnosis.
| Number of Symptoms/Signs Present within 30-Day Window * | Number of Patients | Mean (SD) | Range (Shortest, Longest Interval) | Median (IQR) |
|---|---|---|---|---|
| ≥1 | 647 | 481 (228) | 0, 731 | 570 (273–691) |
| ≥2 | 570 | 412 (233) | 0, 731 | 396 (213–653) |
| ≥3 | 396 | 377 (230) | 0, 731 | 322 (176–607) |
| ≥4 | 233 | 355 (225) | 5, 731 | 297 (165–587) |
| ≥5 | 122 | 314 (217) | 7, 731 | 264 (148–445) |
Note: Excludes cohort members with lung cancer detected by LDCT and those without any symptoms/signs. * 30-day window means x-number of symptoms recorded in the EHR within 30 days of one another, not necessarily the same visit.