Results of 103 children with available results for outcome aged 10–20 years
| Hypothyroidism, 2nd test | ||||
|---|---|---|---|---|
| Hypothyroidism | “Normal” | Total | ||
| The children are defined at age 10–20 years as having hypothyroidism or “normal” (IR-TSH is included as “normal” meaning not having hypothyroidism, and not needing therapy). | ||||
| Sensitivity 50% (95% CI 40–60%); specificity 82% (95% CI 74–90%). | ||||
| Positive predictive value 5%; negative predictive value 99%. | ||||
| Likelihood ratio for positive test result 2.7; likelihood ratio for negative test result 0.62. | ||||
| Thyroid function, 1st test | Isolated raised TSH | 1 | 19 | 20 |
| Euthyroid | 2 | 81 | 83 | |
| Total | 3 | 100 | 103 | |