The prevalence of prothrombotic mutations (FVL and FII 220210A) in the Russian cohort
| Sample | Heterozygotes | |||
|---|---|---|---|---|
| FII 20210A | FVL | |||
| Frequencies | 95% CI* | Frequencies | 95% CI | |
| Controls (N = 295) | 2.4 | 0.70 – 4.1 | 1.7 | 0.2 – 3.2 |
| All athletes (N = 264) | 3.0 | 0.9 – 5.1 | 4.5 | 2.0 – 7.0 |
| Elite group (N = 88) | 6.9 | 1.6 – 12.2 | 4.6 | 0.2 – 9.0 |
* 95% CI = 95% Confidence Interval.