Table 4 Demographics by Scadding stage
Stage | 0 | I | II | III | IV | p value |
|---|---|---|---|---|---|---|
Number of subjects | 70 (37.4%) | 21 (11.2%) | 47 (25.1%) | 45 (24.1%) | 4 (2.1%) | Â |
Age at enrollment (years) | 52.5 ± 12.2 | 49.0 ± 12.5 | 53.9 ± 13.2 | 54.5 ± 12.7 | 53.5 ± 9.7 | 0.55 |
Age at diagnosis (years) | 47.1 ± 12.3 | 43.2 ± 11.7 | 45.9 ± 13.9 | 45.0 ± 11.6 | 41.5 ± 4.2 | 0.67 |
BMI (kg/m2) | 31.5 ± 7.9 | 30.3 ± 5.0 | 31.2 ± 5.2 | 31.6 ± 8.5 | 29.3 ± 4.1 | 0.94 |
Sex | ||||||
 Male | 30 (16.0) | 12 (6.4) | 31 (16.6) | 26 (13.9) | 4 (2.1) | 0.04 |
 Female | 40 (21.4) | 9 (4.8) | 16 (8.6) | 19 (10.2) | 0 (0.0) |  |
Race | ||||||
 White | 52 (27.8) | 12 (6.4) | 38 (20.3) | 29 (15.5) | 1 (0.5) | 0.04 |
 Black | 9 (4.8) | 3 (1.6) | 7 (3.7) | 11 (5.9) | 2 (1.1) |  |
 Asian | 3 (1.6) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |  |
 American Indian or Alaska Native | 1 (0.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |  |
 Choose not to answer | 5 (2.7) | 6 (3.2) | 2 (1.1) | 5 (2.7) | 1 (0.5) |  |
Smoking status | ||||||
 Current | 6 (3.2) | 2 (1.1) | 3 (1.6) | 3 (1.6) | 1 (0.5) | 0.27 |
 Former | 28 (15.0) | 3 (1.6) | 18 (9.6) | 20 (10.7) | 2 (1.1) |  |
 Never | 36 (19.3) | 16 (8.6) | 26 (13.9) | 22 (11.8) | 1 (0.5) |  |