Table 3.
Duration of time intervals from first symptomatic presentation, chest imaging, specialist visit, diagnosis, and initiation of treatment for lung cancer *.
| All | Cancer Type | Stage | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| NSCLC | SCLC | Stages 1,2 | Stages 3,4 | |||||||
| n | Median (IQR) | n | Median (IQR) | * | Median (IQR) | n | Median (IQR) | n | Median (IQR) | |
| Interval | ||||||||||
| A to D (Presentation to diagnosis) | 647 | 570 (273–691) |
504 | 584 (305–691) |
57 | 605 (314–709) | 211 | 639 (392–702) |
356 | 540 (272–688) |
| A to B (Presentation to chest imaging †) | 635 | 291 (144–552) |
497 | 313 (149–559) |
57 | 307 (183–627) | 209 | 286 (134–536) |
348 | 324 (176–586) |
| A to C (Presentation to specialist visit) | 640 | 236 (118–467) |
499 | 250 (123–491) |
57 | 203 (93–488) | 210 | 216 (114–480) |
352 | 261 (129–522) |
| B to D (Chest imaging to diagnosis) | 635 | 43 (11–240) |
497 | 44 (14–255) |
57 | 43 (10–150) | 209 | 100 (34–415) |
348 | 23 (7–110) |
| C to D (Specialist visit to diagnosis) | 640 | 72 (13–456) |
499 | 87 (15–468) |
57 | 84 (7–429) | 210 | 244 (44–527) |
352 | 36 (7–351) |
| D to E (Diagnosis to treatment initiation) ** | 525 | 12 (0–36) |
425 | 13 (0–40) |
51 | 3 (0–13) | 188 | 19 (0–49) |
282 | 9 (0–28) |
* Table presents data only on the cohort who had one or more symptoms, and who were not diagnosed by LDCT screening. † Chest Imaging includes chest X-ray, Chest computerized tomography (CT) scan, or both. ** Date of treatment initiation missing for 109 who had no treatment given, 7 had active surveillance (watchful waiting), and 6 had treatment indicated but a start date could not be identified.