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Baseline characteristics of the study population.
| Variables | G1 (n = 25) | G2 (n = 25) | P value* |
|---|---|---|---|
| n (%) | n (%) | ||
| Ethnic group | |||
| Caucasian (46) | 25 (100.0) | 21 (84.0) | 0.145 |
| Afro-American (3) | 0 (0) | 3 (12.0) | |
| Asian (1) | 0 (0) | 1 (4.0) | |
|
| |||
| Gender | |||
| Female (28) | 16 (64.0) | 12 (48.0) | 0.254 |
| Male (22) | 9 (36.0) | 13 (52.0) | |
*Chi-square, P < 0.05.
