Table 2. The prevalence of exomphalos in each city in Liaoning province, 2006 to 2015 (per 10,000 births).
| City | Year |
Overall | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | ||
| Liaoning Province | 1.47 | 1.76 | 1.36 | 1.96 | 1.56 | 1.81 | 1.53 | 1.71 | 1.54 | 1.17 | 1.59 |
| Shenyang | 1.91 | 3.11 | 1.69 | 4.39 | 2.09 | 3.60 | 2.44 | 1.77 | 2.84 | 1.07 | 2.49 |
| Dalian | 0.77 | 1.93 | 2.90 | 0.84 | 0.62 | 2.18 | 1.60 | 2.21 | 1.55 | 1.39 | 1.62 |
| Anshan | 1.37 | 0.64 | 0.00 | 1.08 | 0.40 | 0.78 | 0.35 | 1.16 | 0.83 | 0.48 | 0.71 |
| Fushun | 3.43 | 3.08 | 2.44 | 2.43 | 0.86 | 3.46 | 1.55 | 1.66 | 1.56 | 0.99 | 2.16 |
| Benxi | 5.80 | 0.00 | 0.00 | 1.13 | 3.45 | 2.42 | 2.12 | 1.15 | 3.04 | 1.31 | 2.04 |
| Dandong | 0.64 | 1.27 | 4.04 | 3.50 | 2.16 | 1.42 | 1.89 | 1.32 | 2.26 | 3.50 | 2.18 |
| Jinzhou | 1.23 | 0.82 | 0.43 | 1.79 | 0.94 | 1.49 | 1.33 | 2.40 | 0.62 | 0.59 | 1.18 |
| Yingkou | 0.00 | 2.11 | 0.51 | 1.57 | 0.56 | 0.54 | 0.94 | 0.70 | 0.46 | 0.00 | 0.76 |
| Fuxin | 2.83 | 0.71 | 0.00 | 0.00 | 1.62 | 0.85 | 0.00 | 3.10 | 0.00 | 1.70 | 1.06 |
| Liaoyang | 0.78 | 1.99 | 0.73 | 2.27 | 1.62 | 2.63 | 0.00 | 2.56 | 1.57 | 1.08 | 1.51 |
| Panjing | 1.01 | 1.03 | 0.00 | 0.00 | 2.27 | 0.00 | 1.93 | 0.00 | 0.00 | 0.00 | 0.64 |
| Tieling | 2.35 | 4.93 | 0.47 | 0.50 | 1.09 | 1.77 | 3.17 | 0.67 | 0.00 | 0.65 | 1.62 |
| Chaoyang | 0.70 | 0.65 | 0.96 | 1.31 | 2.51 | 0.37 | 1.28 | 2.01 | 0.98 | 1.53 | 1.22 |
| Huludao | 0.90 | 0.32 | 2.03 | 2.53 | 3.02 | 0.48 | 0.86 | 1.37 | 1.53 | 1.69 | 1.44 |