Distribution of age at onset and CAG repeat length and their correlations in each genotype group
| Genotype | n | Age at onset | CAG | Correlation age at onset/CAG | |||||
|---|---|---|---|---|---|---|---|---|---|
| r | r2 | ||||||||
| CCG 7/7 | 51 | 42.8 (12.8) | 45.6 (5.4) | −0.744 | 0.55 | ||||
| CCG 7/X2-150 | 31 | 43.1 (15.0) | 45.9 (7.3) | −0.759 | 0.57 | ||||
| p | >0.90 | =0.85 | =0.88 | ||||||
| A/A | 45 | 45.5 (12.2) | 45.0 (6.4) | −0.848 | 0.72 | ||||
| A/B + B/B | 37 | 39.0 (14.8) | 46.5 (5.8) | −0.664 | 0.44 | ||||
| p | <0.05 | =0.28 | =0.05 | ||||||
↵2-150 X contained either 8, 9, or 10 CCG repeats.