Table 1.
Demographic profile of analyzed samples.
| All samples | |||
|---|---|---|---|
| Cancer (n = 77) | Control (n = 68) | P a | |
| Age (mean± SD) | 57.67 ± 9.68 | 56.81 ± 8.81 | 0.5757 |
| Sex | |||
| Males | 38 | 33 | 1.0000 |
| Females | 39 | 35 | |
| Race | |||
| Caucasian | 35 | 34 | 0.6198 |
| African American | 42 | 34 | |
| Location | |||
| Distal | 42 | 37 | 1.0000 |
| Proximal | 35 | 31 | |
| Caucasians | |||
|---|---|---|---|
| Cancer (n = 35) | Control (n = 34) | P a | |
| Age (mean± SD) | 56.80 ± 9.33 | 56.06 ± 9.61 | 0.6905 |
| Sex | |||
| Males | 15 | 15 | 1.0000 |
| Females | 20 | 19 | |
| Location | |||
| Distal | 19 | 19 | 1.0000 |
| Proximal | 16 | 15 | |
| African Americans | |||
|---|---|---|---|
| Cancer (n = 42) | Control (n = 34) | P a | |
| Age (mean± SD) | 58.40 ± 10.02 | 57.56 ± 8.00 | 0.7461 |
| Sex | |||
| Males | 23 | 18 | 1.0000 |
| Females | 19 | 16 | |
| Location | |||
| Distal | 23 | 18 | 1.0000 |
| Proximal | 19 | 16 | |
a t test for age and Fisher exact test for other variables.