Table 2.
The Prevalence of Nonsyndromic and Syndromic Oral Clefts (per 10,000 Births) in Chinese Newborns, 1996–2005
| Group | Births | Nonsyndromic oral clefts
|
Syndromic oral clefts
|
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NsCP
|
NsCL
|
NsCLP
|
NsOCs
|
SynCP
|
SynCL
|
SynCLP
|
SynOCs
|
||||||||||
| N | Prevalence | N | Prevalence | N | Prevalence | N | Prevalence | N | Prevalence | N | Prevalence | N | Prevalence | N | Prevalence | ||
| Gender | |||||||||||||||||
| Male | 2,596,731 | 379 | 1.46 (1.31, 1.61) | 1378 | 5.31 (5.03, 5.59) | 2304 | 8.87 (8.51, 9.23) | 4061 | 15.64 (15.16, 16.12) | 136 | 0.52 (0.44, 0.61) | 148 | 0.57 (0.48, 0.66) | 339 | 1.31 (1.17, 1.44) | 623 | 2.40 (2.21, 2.59) |
| Female | 2,293,540 | 595 | 2.59 (2.39, 2.80) | 872 | 3.80 (3.55, 4.05) | 1406 | 6.13 (5.81, 6.45) | 2873 | 12.53 (12.07, 12.98) | 134 | 0.58 (0.49, 0.68) | 131 | 0.57 (0.47, 0.67) | 227 | 0.99 (0.86, 1.12) | 492 | 2.15 (1.96, 2.33) |
| Residential area | |||||||||||||||||
| Urban | 3,370,829 | 707 | 2.10 (1.94, 2.25) | 1467 | 4.35 (4.13, 4.57) | 2400 | 7.12 (6.84, 7.40) | 4574 | 13.57 (13.18, 13.96) | 208 | 0.62 (0.53, 0.70) | 182 | 0.54 (0.46, 0.62) | 359 | 1.07 (0.95, 1.18) | 749 | 2.22 (2.06, 2.38) |
| Rural | 1,520,643 | 267 | 1.76 (1.55, 1.97) | 788 | 5.18 (4.82, 5.54) | 1319 | 8.67 (8.21, 9.14) | 2374 | 15.61 (14.98, 16.24) | 71 | 0.47 (0.36, 0.58) | 112 | 0.74 (0.60, 0.87) | 234 | 1.54 (1.34, 1.74) | 417 | 2.74 (2.48, 3.01) |
| Geographic locations | |||||||||||||||||
| Coast area | 1,915,288 | 478 | 2.50 (2.27, 2.72) | 749 | 3.91 (3.63, 4.19) | 1308 | 6.83 (6.46, 7.20) | 2535 | 13.24 (12.72, 13.75) | 117 | 0.61 (0.50, 0.72) | 82 | 0.43 (0.34, 0.52) | 173 | 0.90 (0.77, 1.04) | 372 | 1.94 (1.74, 2.14) |
| Inner land | 2,143,601 | 342 | 1.60 (1.43, 1.76) | 1035 | 4.83 (4.53, 5.12) | 1664 | 7.76 (7.39, 8.14) | 3041 | 14.19 (13.68, 14.69) | 93 | 0.43 (0.35, 0.52) | 77 | 0.36 (0.28, 0.44) | 187 | 0.87 (0.75, 1.00) | 357 | 1.67 (1.49, 1.84) |
| Remote area | 832,583 | 156 | 1.87 (1.58, 2.17) | 474 | 5.69 (5.18, 6.21) | 755 | 9.07 (8.42, 9.72) | 1385 | 16.63 (15.76,17.51) | 39 | 0.47 (0.33, 0.64) | 33 | 0.40 (0.27, 0.56) | 67 | 0.80 (0.61, 1.00) | 139 | 1.67 (1.39, 1.65) |
NsCP, nonsyndromic cleft palate; NsCL, nonsyndromic cleft lip; NsCLP, nonsyndromic cleft lip with cleft palate; NsOCs, total nonsyndromic clefts; SynCP, syndromic cleft palate; SynCL, syncromic cleft lip; SynCLP, syndromic cleft lip with cleft palate; SynOCs, total syndromic clefts.