Table II. Allele Frequencies and Sex Ratios of CGG Repeat Expansions of Different Lengths.
Category | Female allele frequency | Male allele frequency | Female:male ratio (95% CI) |
---|---|---|---|
Normal (≤40) | 0.959 (0.956–0.963) | 0.951 (0.945–0.957) | 1.01 (1.00–1.02) |
Light gray zone (41–44) | 0.022 (0.020–0.025) | 0.029 (0.024–0.034) | 0.77 (0.63–0.93) |
Gray zone (45–54) | 0.015 (0.013–0.017) | 0.016 (0.013–0.020) | 0.95 (0.72–1.22) |
Premutation (≥55) | 0.0034 (0.0024–0.0044) | 0.0034 (0.0019–0.0052) | 1.05 (0.58–1.87) |