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Table 1 The general features of three consecutive years of data

From: Association of iodized salt with goiter prevalence in Chinese populations: a continuity analysis over time

Item 2011 2012 2013
The total population with disease in the county (ten thousand people) 132,636.8 130,498.5 130,332.7
The number of goiter cases (‱a) 4,897,422 (36.923,6) 4,800,287 (36.784,2) 4,624,814 (35.484,7)
The number of two degree of goiter cases (‱a) 230,621 (1.738,79) 224,834 (1.722,9) 219,635 (1.685,2)
The number of cretinism cases (‱a) 107,219 (0.808,4) 101,820 (0.780,2) 92,219 (0.707,6)
UIC (μg/L) in school-aged children 8 to 10 years of age 226.5
Annual sales of iodized salt (tons) 6,115,769 6,024,514 5,820,098
The number of iodine salt copies 812,617 834,523 797,154
The number of non-iodized salt copies 10,283 9978 8546
Coverage rate of iodized salt (percent) 98.750,4 98.818,5 98.939,3
Per capita daily intake of iodized salt (g) 12.63 12.64 12.23
Per capita daily intake of iodine (μg) 252.6-378.9 252.8-379.2 244.6-366.9
  1. a: Indicates 1/10000 (‱)