Table 5.
The nodule risk model for the probability of lung cancer among participants with nodules in the training cohort
| Variable | Beta Coefficient | OR (95% CI) | P |
|---|---|---|---|
| CA125 | 3.59790 | 36.5216 (1.8645-715.3960) | 0.0178 |
| CEA | 0.48452 | 1.6234 (0.2561-10.2903) | 0.6071 |
| Cyfra21-1 | 0.036487 | 1.0372 (0.2223-4.8379) | 0.9630 |
| Pro-SFTPB | 1.12225 | 3.0718 (1.2034-7.8406) | 0.0189 |
| Nodule diameter | 7.63476 | 2068.8743 (234.5544-18248.3920) | <0.0001 |
| Constant | -10.10431 | <0.0001 |
Abbreviations: 95% CI, 95% confidence interval; OR, odds ratio; CA125, carbohydrate antigen 125; CEA, carcinoembryonic antigen; Cyfra21-1, cytokeratin 19 fragment; Pro-SFTPB, pro-surfactant protein B.