Demographic, tumor, socio-economic characteristic and treatment modes for lung cancer patients with stages I, II, IIIA, IIIB, and IV.

*—quintiles of distribution of entire patient groups, i.e., for all stages (0—lowest, 4—highest)**—chemotherapy (Che), radiation therapy (Rad), and surgery (Sur)§-there are some minor inconsistencies in the recorded T and N statuses and respective AJCC stage (e.g., T3N0 should be stage II; T1-3N0 would be either stage I or stage II, not IIIA).Values in brackets are percents of all patients (for Stage, i.e., first line of the Table) or stage-specific cohorts of patients.Demographic, tumor, socio-economic characteristic and treatment modes for lung cancer patients with stages I, II, IIIA, IIIB, and IV.