Table 3.
Factors Iinfluencing the number of diagnostic tests patients with a Solitary Pulmonary Nodule underwent Before and After the availability of Positron Emission Tomography (PET) (n = 362)
| Variables | Bivariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| β (SE) | p | β (SE) | p | |
| Period | ||||
| Before-PET | - | - | ||
| After-PET | -1.2 (0.4) | < 0.01 | -0.96 (0.3) | < 0.01 |
| Age (in classes) | ||||
| < 65 years | - | - | ||
| ≥ 65 years | -0.1 (0.3) | 0.8 | 0.2 (0.3) | 0.6 |
| Sex | ||||
| Female | - | - | ||
| Male | 1.1 (0.3) | < 0.01 | 0.6 (0.4) | 0.1 |
| Referal | ||||
| General practitioner | - | - | ||
| Specialist | 1.8 (0.5) | < 0.01 | 1.8 (0.5) | < 0.01 |
| Smoking history | ||||
| Nonsmoker | - | - | ||
| Smokers or ex-smokers | 1.4 (0.3) | < 0.01 | 0.5 (0.4) | 0.2 |
| Calcified Nodules | ||||
| Yes | - | - | ||
| No | 1.4 (0.5) | < 0.01 | 0.6 (0.4) | 0.1 |
| Spiculated Nodules | ||||
| Yes | - | - | ||
| No | -1.9 (0.3) | < 0.01 | -1.5 (0.4) | < 0.01 |
| Mediastinal node | ||||
| Yes | - | - | ||
| No | -0.6 (0.4) | 0.09 | -0.3 (0.4) | 0.5 |
SE = standard error