From: Epidemiology of congenital polydactyly and syndactyly in Hunan Province, China
Types | n | Prevalence (‰,95%CI) |
---|---|---|
Polydactyly | 1888 | 2.23(2.13–2.33) |
 Hand polydactyly | 1597 | 1.88(1.79–1.98) |
 Foot polydactyly | 343 | 0.40(0.36–0.45) |
Syndactyly | 626 | 0.74(0.68–0.80) |
 Hand syndactyly | 342 | 0.40(0.36–0.45) |
 Foot syndactyly | 320 | 0.38(0.34–0.42) |