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Percentage of iodine deficiency and thiocyanate overloads in human subjects by age group. In accordance with the World Health Organization's (WHO) recommendations19, the urine samples with I<50µg/L and I/SCN< 3µg/mg represent iodine deficiency.
| I<50µg/L | I/SCN<3µg/mg | ||||||
| Age group (y.o.*) | n | # | % | # | % | ||
| 3–5 | 20 | 4 | 20 | 5 | 25 | ||
| 6–9 | 40 | 9 | 23 | 7 | 18 | ||
| 10–13 | 40 | 8 | 20 | 7 | 18 | ||
| 14–19 | 20 | 4 | 20 | 5 | 25 | ||
| Total | 120 | 25 | 21 | 24 | 20 | ||
y.o., years old
