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Table 4 Agreement between UIC and goiter to diagnose iodine deficiency in school age children

From: Iodine status five years after the mandatory salt iodization legislation indicates above requirement: a cross sectional study in Northwest Ethiopia

  With goiter No goiter Total Kappa coefficienta P value
UIC < 100 μg/l 17 14 31 0.098 0.011
UIC ≥100 μg/l 105 222 327
Total 122 236 358
  1. aKappa is calculated for iodine deficiency in 2 X 2 table (UIC < 100 μg/l vs. presence of goiter) and numbers in cells are reported