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Age and sex distribution of the study population.
| Variables | SS (n = 102) | AS (n = 55) | AA (n = 60) | |
|---|---|---|---|---|
| Gender | Male | 52 (51%) | 10 (18.2%) | 28 (46.7%) |
| Female | 50 (49%) | 45 (81.8%) | 32 (43.3%) | |
| Sex ratio (M/F) | 1.04 | 0.22 | 0.88 | |
| Age (years) | Mean ± SD | 9.5 ± 7.1 | 25.1 ± 16 | 14.6 ± 7.2 |
| Range | 1–40 | 2–55 | 1–36 |
SD: standard deviation.
