Table 4.
Demographic Summary of Patients in the Data Set
| Characteristics | Short Survival Class | Long Survival Class | P Value |
|---|---|---|---|
| Age, mean (SD) | 69 (8.07) | 64.45 (9.75) | 0.1161 (Unpaired student t-test) |
| Sex, N (%) | |||
| Male | 12 (60%) | 7 (35%) | 0.2049 (Fisher exact test) |
| Female | 8 (40%) | 13 (65%) | |
| Race | |||
| White | 20 (100%) | 20 (100%) | 1 (Fisher exact test) |
| Black, Asian, and Others | 0 (0%) | 0 (0%) | |
| Ethnicity, N (%) | |||
| Hispanic or Latino | 1 (5%) | 0 (0%) | 1 (Fisher exact test) |
| Neither Hispanic/Latino and unknown | 19 (95%) | 20 (100%) | |
| Histology, N (%) | |||
| Adenocarcinoma | 20 (100%) | 20 (100%) | |
| Squamous cell carcinoma | 0 (0%) | 0 (0%) | |
| Other, NOS, unknown | 0 (0%) | 0 (0%) | |
| Stage, N (%) | |||
| I | 4 (20%) | 10 (50%) | |
| II | 5 (25%) | 5 (25%) | |
| III | 10 (50%) | 3 (15%) | |
| IV | 1 (5%) | 2 (10%) | |
| Carcinoid, unknown | 0 (0%) | 0 (0%) | |
| Tobacco Use, N% | |||
| Moderate (1–2 PPD) | 4 (20%) | 4 (20%) | |
| Light (<1 PPD) | 0 (0%) | 1 (5%) | |
| HIST | 12 (60%) | 12 (60%) | |
| None | 0 (0%) | 3 (15%) | |
| Cigarettes Nos | 4 (20%) | 0 (0%) |