Table 3

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

AgePercentileUrinary iodine concentration distributions (µg/L)
Raw data for day 1By average correction methodBy 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
8Fi0.7400.832
5th57.575.294.3113.6112.0
10th82.198.2111.6126.4126.7
25th121.2131.7143.8150.0154.0
50th176.8180.5182.8185.7188.1
75th243.9234.2234.3222.6228.3
95th377.2351.4345.4309.0319.4
9Fi0.7550.842
5th55.679.891.2112.1109.4
10th76.699.8108.2125.4123.5
25th120.8134.0141.5151.8151.1
50th179.9182.0187.8186.8188.1
75th262.0247.7243.8235.4235.8
95th417.3377.1360.9332.0334.1
10Fi0.7250.820
5th55.978.086.5114.0109.3
10th72.298.9109.3129.2127.3
25th122.6139.8150.4158.3160.1
50th183.2198.1195.5199.6197.5
75th263.0258.7252.5242.9243.7
95th401.4373.9365.7324.3336.1
11Fi0.8140.829
5th58.387.5106.4111.9125.6
10th80.5113.3124.8132.9140.8
25th133.3149.3163.5162.2172.8
50th195.3200.0212.0203.5213.1
75th288.8274.6278.2264.2268.0
95th466.3403.6379.3269.2351.8
  • Fi=Sb/(Sb+Sw/di), where Sb is the SD between subjects, Sw is the SD within subjects, and di is the number of observations available for each subject.