Table 4

Urinary iodine distribution by sex: raw data for day 1, and for day 1 corrected by the average correction method and by the variance correction method

SexPercentileUrinary iodine concentration distributions (µg/L)
Raw data for day 1By the average correction methodBy the variance correction method
Average of days 1 and 2Average of days 1, 2 and 3Day 1 corrected using 2 replicatesDay 1 corrected using 3 replicates
MFi0.7490.839
5th62.086.598.0119.6117.0
10th83.1105.4115.5133.2131.7
25th130.2144.1151.5161.8161.2
50th188.9195.4197.4199.2199.2
75th269.6260.7257.8247.2249.2
95th429.7402.5379.0349.6346.3
FFi0.7390.830
5th50.371.486.5107.4105.1
10th70.492.8106.0121.3122.0
25th114.6129.9141.5147.7151.0
50th176.4181.3187.0185.0189.2
75th252.4244.5243.0230.4234.1
95th390.1363.8345.1319.2320.6
  • Fi=Sb/(Sb+Sw/di), where Sb is the SD between subjects, and Sw is the SD within subjects, and di is the number of observations available for each subject.