Iodine deficiency disorders in 15 districts of India
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Methods : A multicentre study to assess iodine deficiency disorders (goitre and deaf-mutism/cretinism) in 1,45, 264 children (6-<12 years old) from 15 districts of ten states was carried out during 1997-2000. Urinary iodine excretion was also determined in 27481 children, while iodine content was estimated in 5881 samples of edible salt. The sampling methodology followed was a “30 cluster survey”.Results : The overall prevalence of goitre was 4.78% (4.66% of grade I and 0.12% of grade II) amongst the children examined. The highest prevalence of 31.02% goitre was observed in Dehradun district, while the lowest prevalence of 0.02% goitre was recorded in Bishnupur and Badaun districts. The overall prevalence of cretinism among children examined from seven districts was 0.072% whereas that of deaf-mutism was 0.27% among children examined from 8 districts. Median urinary iodine values was marginally less than the WHO cut-off values only in children of the 3 out of the 15 districts surveyed. Iodine content was found to be adequate in 55.45% of the salt samples.Conclusion : The results suggested a significant decline in the prevalence of goitre in most parts of the country.
Key wordsPrevalence Goitre Cretinism Urinary iodine excretion
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