| Mean | Std. Dev. | Median | Minimum | Maximum |
---|---|---|---|---|---|
Chest X-ray | Â | Â | Â | Â | Â |
Age (years) | 57.0 | 11.5 | 58.0 | 27.0 | 90.0 |
TSFEa (years) | 32.4 | 10.9 | 31.0 | 3.0 | 65.0 |
Exposure duration (years) | 21.3 | 10.1 | 20.0 | <1 | 53.0 |
Cumulative exposure (fibre years) | 42.2 | 129.5 | 4.9 | <1 | 2331.4 |
Smoking (pack years) | 19.7 | 22.5 | 14.0 | 0 | 136.5 |
Low-dose MDCT | Â | Â | Â | Â | Â |
Age (years) | 65.8 | 6.1 | 65.5 | 41.0 | 84.0 |
TSFEa (years) | 41.2 | 7.4 | 41.0 | 20.0 | 57.0 |
Exposure duration (years) | 29.8 | 7.5 | 30.0 | 4.0 | 46.0 |
Cumulative exposure (fibre years) | 78.6 | 216.6 | 18.0 | <1 | 2558.2 |
Smoking (pack years) | 43.2 | 27.9 | 41.0 | 0 | 118 |