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Demographic features
| Sample | N | Shorter GAA length | Age, years (range) | Sex (% female) |
|---|---|---|---|---|
| FRDA | 521 | 622 ± 240 (41–1150) | 28.4 ± 15.5 (3–78) | 49.5% |
| Carriers | 306 | – | 47.8 ± 12.8 (2–79) | 58.0% |
| Controls | 119 | – | 38.1 ± 14.9 (4–80) | 47.2% |
GAA, guanine–adenine–adenine; FRDA, Friedreich ataxia.
