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Table 4 Changes in the ratio of iodine intake to excretion increment (μg/d)

From: Exploration of the lower threshold of iodine intake in Southern Chinese young adults based on ‘overflow theory’ in an iodine balance study

Variables period2(increment) period3(increment)
incrementina incrementexb ratioc incrementina incrementexb ratioc
Male 12.4 -3.2 -0.324 17.7 29.3 1.675
Female 13.0 9.2 0.699 18.5 19.0 1.034
Total 12.8 4.3 0.293 18.2 22.9 1.276
  1. aincrementin was calculated using the iodine intake of latter stage minus the previous stage; incrementex was calculated using the iodine excretion of latter stage minus the stage period ; ratio = incrementex/incrementin