Table 2.
Prevalence of congenital heart defect stratified by different hand abnormality.
| Hand abnormality | No. patients | Heart structural abnormality | % | Electrocardiographic abnormality | % | Total % | p value |
|---|---|---|---|---|---|---|---|
| I Failure of formation of parts (arrest of development) | 252 | 35 | 13.9 | 14 | 5.6 | 19.4 | |
| II Failure of differentiation (separation) of parts | 278 | 18 | 6.5 | 14 | 5.0 | 11.5 | |
| III Duplication | 765 | 57 | 7.5 | 19 | 2.5 | 9.9 | |
| IV Overgrowth | 4 | 0 | 0.0 | 0 | 0.0 | 0.0 | |
| V Undergrowth | 102 | 8 | 7.8 | 3 | 2.9 | 10.8 | |
| VI Congenital constriction band syndrom | 61 | 3 | 4.9 | 1 | 1.6 | 6.6 | 0.01 |