Lung cancer stage with respect to diagnosis with lung cancer within or after 6 weeks (42 days) following initial chest X-raya
| Diagnosed within 6 weeks of initial CXR, n (%) | Diagnosed after 6 weeks of initial CXR, n (%) | |
|---|---|---|
| Stage I/II | 105 (11.9) | 529 (42.5) |
| Stage III/IV | 775 (88.1) | 715 (57.5) |
| Total | 880 | 1244 |
↵a Unknown stage excluded to maintain anonymity. Pearson’s χ2 demonstrated a statistically significant association between both late stage and diagnosis within 6 weeks, χ2 (1, N = 2124) 230.36, P<0.001. CXR = chest X-ray.