Table 4 Factors influencing the performance of Positron Emission Tomography (PET) in the period After PET was available (2004–2005) (n = 250)
Variable | Bivariate | Multivariate | ||||
|---|---|---|---|---|---|---|
Odds Ratio | CI | p | Odds Ratio | CI | p | |
Age (in classes) | ||||||
< 65 years | 1 | 0.06 | 1 | 0.5 | ||
≥ 65 years | 0.4 | 0.2 – 1.0 | 0.5 | 0.5 – 4.2 | ||
Sex | ||||||
Female | 1 | 0.04 | 1 | 0.1 | ||
Male | 2.5 | 1.0 – 6 | 1.5 | 0.2 – 1.1 | ||
Referal | ||||||
General practitioner | 1 | 0.1 | 1 | 0.2 | ||
Specialist | 4.7 | 0.6 – 35 | 3.7 | 0.5 – 29.7 | ||
Smoking history | ||||||
Nonsmoker | 1 | < 0.01 | 1 | 0.4 | ||
Smokers or ex-smokers | 3.9 | 1.5 – 9.7 | 1.6 | 0.5 – 4.6 | ||
Calcified Nodules | ||||||
Yes | 1 | 0.04 | 1 | 0.1 | ||
No | 8.4 | 1.1–63 | 5.2 | 0.7 – 41.1 | ||
Spiculated Nodules | ||||||
Yes | 1 | < 0.01 | 1 | < 0.01 | ||
No | 0.2 | 0.1 – 0.3 | 0.2 | 0.1 – 0.5 | ||
Mediastinal node | ||||||
Yes | 1 | 0.1 | 1 | 0.5 | ||
No | 0.6 | 0.3 – 1.2 | 0.8 | 0.3 – 1.7 | ||