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Basis for modification of patient management by FVL status
| Basis | Heterozygote | Normal | Total |
|---|---|---|---|
| Only FVL status | 15 | 1 | 16 |
| In part FVL status | 8 | 5 | 13 |
| Not FVL status | 1 | 21 | 22 |
| Unknown | 2 | 1 | 3 |
| Total | 26 | 28 | 54 |
Fisher exact test: P < 0.0001 (with and without “unknown”).
