Table 1.
Geographic, urban- and rural-specific birth prevalence of omphalocele (per 10,000 births) in China, 1996–2010
| Year | South | North | Urban | Rural | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cases | Prevalence(95% CI) | Cases | Prevalence(95% CI) | Cases | Prevalence(95% CI) | Cases | Prevalence(95% CI) | Cases | Prevalence(95% CI) | |
| 1996 | 31 | 1.44(1.42-1.47) | 25 | 1.21(1.19-1.25) | 36 | 1.21(1.20-1.24) | 20 | 1.59(1.56-1.65) | 56 | 1.33(1.32-1.34) |
| 1997 | 30 | 1.50(1.48-1.53) | 16 | 0.73(0.71-0.77) | 32 | 1.08(1.07-1.11) | 14 | 1.14(1.10-1.20) | 46 | 1.10(1.09-1.12) |
| 1998 | 42 | 2.03(2.01-2.06) | 29 | 1.30(1.29-1.34) | 42 | 1.39(1.38-1.41) | 29 | 2.28(2.25-2.34) | 71 | 1.65(1.64-1.67) |
| 1999 | 42 | 1.90(1.88-1.93) | 41 | 1.82(1.80-1.85) | 53 | 1.69(1.68-1.71) | 30 | 2.25(2.22-2.31) | 83 | 1.86(1.85-1.87) |
| 2000 | 44 | 1.77(1.75-1.80) | 39 | 1.55(1.53-1.57) | 55 | 1.56(1.54-1.58) | 28 | 1.90(1.87-1.95) | 83 | 1.66(1.65-1.67) |
| 2001 | 37 | 1.54(1.53-1.57) | 30 | 1.24(1.22-1.27) | 45 | 1.37(1.36-1.39) | 22 | 1.42(1.40-1.47) | 67 | 1.39(1.38-1.40) |
| 2002 | 34 | 1.31(1.30-1.34) | 41 | 1.54(1.52-1.56) | 44 | 1.22(1.21-1.24) | 31 | 1.87(1.84-1.91) | 75 | 1.43(1.42-1.44) |
| 2003 | 36 | 1.46(1.45-1.49) | 30 | 1.55(1.53-1.59) | 37 | 1.27(1.26-1.30) | 29 | 1.93(1.91-1.98) | 66 | 1.50(1.49-1.52) |
| 2004 | 54 | 1.71(1.70-1.73) | 47 | 1.58(1.56-1.60) | 68 | 1.61(1.61-1.63) | 33 | 1.70(1.68-1.74) | 101 | 1.64(1.64-1.65) |
| 2005 | 55 | 1.71(1.69-1.73) | 33 | 1.15(1.14-1.18) | 47 | 1.15(1.14-1.17) | 41 | 2.05(2.03-2.09) | 88 | 1.45(1.44-1.46) |
| 2006 | 48 | 1.39(1.38-1.41) | 49 | 1.55(1.53-1.57) | 61 | 1.40(1.39-1.41) | 36 | 1.59(1.57-1.62) | 97 | 1.46(1.46-1.47) |
| 2007 | 69 | 1.63(1.62-1.64) | 51 | 1.28(1.27-1.30) | 70 | 1.26(1.25-1.27) | 50 | 1.89(1.88-1.92) | 120 | 1.46(1.46-1.47) |
| 2008 | 81 | 1.83(1.82-1.84) | 52 | 1.30(1.29-1.31) | 72 | 1.30(1.29-1.31) | 61 | 2.10(2.08-2.12) | 133 | 1.57(1.57-1.58) |
| 2009 | 93 | 2.00(2.00-2.02) | 52 | 1.23(1.22-1.24) | 82 | 1.46(1.46-1.48) | 63 | 1.92(1.91-1.94) | 145 | 1.63(1.63-1.64) |
| 2010 | 59 | 1.58(1.57-1.60) | 32 | 0.96(0.94-0.98) | 56 | 1.22(1.21-1.24) | 35 | 1.40(1.38-1.43) | 91 | 1.28(1.28-1.29) |
Abbreviation: CI Confidence interval.