Table 1 Prevalence of total birth defects, polydactyly and syndactyly in Hunan Province, China, 2016–2020
From: Epidemiology of congenital polydactyly and syndactyly in Hunan Province, China
Year | Births (n) | Total birth defects | Polydactyly | Syndactyly | ||||
|---|---|---|---|---|---|---|---|---|
n | Prevalence (‰,95%CI) | n | Prevalence (‰,95%CI) | n | Prevalence (‰,95%CI) | |||
2016 | 170,688 | 3107 | 18.20(17.56–18.84) | 331 | 1.94(1.73–2.15) | 105 | 0.62(0.50–0.73) | |
2017 | 196,316 | 3533 | 18.00(17.40-18.59) | 406 | 2.07(1.87–2.27) | 129 | 0.66(0.54–0.77) | |
2018 | 177,762 | 2900 | 16.31(15.72–16.91) | 391 | 2.20(1.98–2.42) | 136 | 0.77(0.64–0.89) | |
2019 | 164,840 | 2643 | 16.03(15.42–16.65) | 418 | 2.54(2.29–2.78) | 133 | 0.81(0.67–0.94) | |
2020 | 138,149 | 2276 | 16.47(15.80-17.15) | 342 | 2.48(2.21–2.74) | 123 | 0.89(0.73–1.05) | |
Total | 847,755 | 14,459 | 17.06(16.78–17.33) | 1888 | 2.23(2.13–2.33) | 626 | 0.74(0.68–0.80) | |