Table 7.
Areas under the curve (AUC) and 95% confidence intervals (CI) for predicting risk of language impairment (LI), dyslexia (DYS), or either impairment from individual and combined screening measures.
| Prediction outcome | Impairment n | Typical n | AUC | 95% CI |
|---|---|---|---|---|
| Risk of LI vs. typical language | ||||
| GRADE LC | 135 | 246 | .699 | .644–.755 |
| TOSWRF | .778 | .730–.826 | ||
| Composite | .792 | .746–.838 | ||
| Risk of DYS vs. typical word reading | ||||
| TOSWRF | 103 | 278 | .857 | .818–.896 |
| GRADE LC | .602 | .537–.666 | ||
| Composite | .852 | .812–.891 | ||
| Risk of LI or DYS vs. typical word reading and language | ||||
| TOSWRF | 165 | 216 | .833 | .792–.875 |
| GRADE LC | .676 | .622–.731 | ||
| Composite | .842 | .802–.882 |
Note. GRADE LC = Group Reading Assessment and Diagnostic Evaluation Listening Comprehension subtest; TOSWRF = Test of Silent Word Reading Fluency.