Table 2. Distribution of the risk of developing lung cancer of Spanish ever-smokers who fulfilled the NLST criteria based on a 6-year risk model*.
| ENSE sample fulfilling NLST criteria | |||
|---|---|---|---|
| Overall (n = 1,034) ** |
Men (n = 764) ** |
Women (n = 270) ** | |
| Mean | 2.91 | 3.12 | 2.26 |
| Median | 2.18 | 2.31 | 1.86 |
| Quintile 1 | 0.55–1.30 | 0.55–1.36 | 0.56–1.21 |
| Quintile 2 | 1.30–1.87 | 1.36–2.00 | 1.22–1.64 |
| Quintile 3 | 1.87–2.64 | 2.00–2.84 | 1.65–2.16 |
| Quintile 4 | 2.64–3.89 | 2.85–4.37 | 2.16–3.09 |
| Quintile 5 | 3.90–21.98 | 4.38–21.98 | 3.09–9.14 |
| Individuals with risks ≥1.51%, n (%) | 685 (72.0) | 535 (74.9) | 150 (63.0) |
| Individuals with risks ≥2.00%, n (%) | 533 (56.0) | 427 (59.8) | 106 (44.5) |
| Individuals with risks >5.00%, n (%) | 125 (13.1) | 109 (15.3) | 16 (6.7) |
* Based on the PLCOm2012 model, we included the following variables: age, socioeconomic status, body mass index, COPD, personal history of cancer, smoking status, tobacco consumption, smoking duration and years of abstinence.
** Because of missing values for some of the variables used in the PLCOm2012 model, the risk of developing lung cancer could only be calculated for 952 (714 men and 238 women) ENSE participants fulfilling NLST criteria.