Table 3. Demographic data of cases and controls subjects.
| Variables | Cases (N = 55) | Tolerants (N = 85) | Healthy Controls (N = 366) | Total (506) |
|---|---|---|---|---|
| Categorical Variables | N (%) | N (%) | N (%) | N (%) |
| Gender | ||||
| Female | 42 (76) | 47 (55) | 293 (80) | 382 (75) |
| Male | 13 (24) | 38 (45) | 73 (20) | 124 (25) |
| Age | ||||
| Young adults (18–40 years) | 23 (42) | 26 (30) | 147 (40) | 196 (39) |
| Adults (40–60 years) | 25 (46) | 44 (52) | 179 (49) | 248 (49) |
| Elderly(> 61 years) | 7 (12) | 15 (18) | 40 (11) | 62 (12) |
| Ethnicity | ||||
| Caucasian | 14 (26) | 20 (24) | 161 (44) | 195 (38) |
| Afro-American | 29 (53) | 41 (48) | 154 (42) | 224 (45) |
| Others | 12 (21) | 24 (28) | 51 (14) | 87 (17) |