Table 2.
Distributions of maternal and infant UIC
| Distribution of Maternal UIC | Distribution of Infant UIC (n (%)) | ||||
|---|---|---|---|---|---|
| < 50 μg/L | 50–99 μg/L | 100–199 μg/L | 200–299 μg/L | > 299 μg/L | |
| < 50 μg/L | 3(7.5) | 6(15.0) | 9(22.5) | 10(25.0) | 12(30.0) |
| 50–99 μg/L | 3(3.0) | 10(9.9) | 27(26.7) | 33(32.7) | 28(27.7) |
| 100–199 μg/L | 6(2.1) | 16(5.6) | 89(30.9) | 80(27.8) | 97(33.7) |
| 200–299 μg/L | 3(1.7) | 2(1.2) | 42(24.4) | 55(32.0) | 70(40.7) |
| ≥ 300 μg/L | 1(0.7) | 4(2.7) | 31(21.2) | 40(27.4) | 70(47.9) |
Maternal UIC was positively correlated with infant UIC (r = 0.203, P < 0.001)
UIC urinary iodine concentration