Table 1 Characteristics of the non-syndromic tooth agenesis sample
Female | Male | Both genders | |
|---|---|---|---|
Race/ethnicity | |||
Caucasian | 111 (57.8%) | 81 (42.2%) | 192 (80%) |
African-American | 18 (51.4%) | 17 (48.6%) | 35 (15.6%) |
Asian | 4 (57.1%) | 3 (42.9%) | 7 (2.9%) |
Hispanic | 4 (66.7%) | 2 (33.3%) | 6 (2.5%) |
All races/ethnicities | 137 (57.1%) | 103 (42.9%) | 240 |
Age (years) | |||
Mean (SD) | 15 (8) | 15 (7) | 15 (7) |
Median (range) | 13 (7–62) | 14 (7–46) | 13 (7–62) |