Journal Thoracic Oncology

Abstracts Journal of Thoracic Oncology • Volume 12 Issue S1 January 2017
Västra Götaland counties (about 37.6% of NSCLC patients in Sweden) were
included and matched (1:4) by age at diagnosis, gender and region of residence
to a sample from the general population (controls). In- and outpatient visit
data was extracted from regional databases in order to assess prevalence of
selected baseline comorbidities detected in the year before diagnosis. Results:
In total, 4,758 patients with advanced NSCLC were identified and matched
to 18,996 controls. At the date of the initial NSCLC diagnosis, the median age
was 69.0 (range 22-97; 96.2% above 50), and 52.7% were men. The stage of
disease was IIIb in 19.8% (n=944) or IV in 80.2% (n=3,814) of the patients. When
specified, adenocarcinoma was the most frequent histology (70.4%) followed
by squamous cell carcinomas (25.4%). A total of 50.9% of the NSCLC patients
had recorded morbidities in the year preceding the diagnosis compared to
34.8% of the controls (Odds Ratio (OR) 1.94; P