Surveillance on iodine deficiency disorders:a five-year analysis in Anshun city

Objective To explore the prevention and control as well as the prevalence of iodine deficiency disorders in Anshun city by analyzing the result of iodine deficiency disorders surveillance since 2000. Methods by using sampling investigation, pupils' thyroids were examined by palpation. their urinary iodine and iodine salt were also detected. Results Total Goitor patients aged from 8 to 10 was 14.28% in 2004, which was significantly increased compared with those of 2000,2001,2002 and 2003(P 0.05). The qualified iodized salt covered 94.04% of the households,the qualified rate of iodized salt was 94.20% in 2004, higher than those of the four previous times(P 0.01). The range of urinary iodine was from 219.08 to 384.34 μg/L. Conclusions The iodized salt currently in use is suitable for the people of Anshun city. However, the goiter rate of the children is still high.