Table 1.
Demographic data: age, sex and ethnicity.
| TT group | BT group | LT group | p-value | |
| Age (mean±sd) | 61.9±6.91 | 60.5±4.61 | 63.65±5.12 | p>0.05 |
| Ethnicity | ||||
| White caucasian | 3 | 4 | 3 | p>0.05 |
| African american | 1 | 1 | 1 | p>0.05 |
| Hispanic | 7 | 5 | 6 | p>0.05 |
| Asian | 0 | 1 | 1 | p>0.05 |
| Sex (male:female) | (4:7) | (5:6) | (6:5) | p>0.05 |
* There were significant differences between African American and Asian patients, compared with Caucasians and Hispanics, but not between the African American and Asian groups or between the Caucasian and Hispanic groups, respectively.