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Table 1 UIC (μg/L) and thyroid goiter rates of children before and after USI,in 1996

From: Causes of different goiter rates with the same iodine deficiency among the pastoral and agricultural populations of Tibet: a geographical comparison

year

UIC (μg/L)

Goiter rate (%)

Pastoral area

Agricultural area

Pastoral area

Agricultural area

1985

40.0

55

–a

40

2002

42.2

132.9

8.9

13.5

2009

50.2

193.2

2.0

16.0

2011

68.1

187.2

1.5

2.8

  1. aNo goiter was found on palpation