Table 3.
Agreement between measured (mUIE) and Predicted (PrUIE) urinary iodine excretion using prediction equations (n).
| mUIE † | ||||
|---|---|---|---|---|
| Below EAR (<95 µg/day) |
Above EAR (>=95 µg/day) |
Total |
Kappa Statistic p Value |
|
| Tanaka PrUIE | ||||
| Below EAR | 112 | 67 | 179 (39.3%) | 0.351 |
| Above EAR | 75 | 201 | 276 (60.7%) | <0.001 |
| Total | 187 (41.1%) | 268 (58.9%) | 455 | |
| Kawasaki PrUIE | ||||
| Below EAR | 113 | 75 | 188 (41.3%) | 0.324 |
| Above EAR | 74 | 193 | 267 (58.7%) | <0.001 |
| Total | 187 (41.1%) | 268 (58.9%) | 455 | |
| Mage PrUIE | ||||
| Below EAR | 120 | 92 | 212 (49.4%) | 0.309 |
| Above EAR | 56 | 161 | 217 (50.6%) | <0.001 |
| Total | 176 (41.0%) | 253 (59.0%) | 429 |
† Daily iodine intake assumed as 24 h UIE (µg/day)/0.92 to account for bioavailability. PrUIE, Predicted Urinary Iodine Excretion (µg/day); EAR, Estimated Average Requirement (µg/day); mUIE, measured 24 h Urinary Iodine Excretion (µg/day).