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 |