Table 8.
Screening performance for language impairment + dyslexia subgroups with Test of Silent Word Reading Fluency (TOSWRF) versus combined screen.
| Screening measure | Cut score | Overall sensitivity | Overall false positive rate | LI-only |
DYS-only |
LI+DYS |
|||
|---|---|---|---|---|---|---|---|---|---|
| Num. missed | Proportion | Num. missed | Proportion | Num. missed | Proportion | ||||
| TOSWRF | 106 | .90 | .49 | 15 | .24 | 1 | .03 | 1 | .01 |
| 100 | .80 | .27 | 24 | .39 | 3 | .10 | 6 | .08 | |
| 96 | .70 | .17 | 29 | .47 | 7 | .23 | 13 | .18 | |
| Combined screen | 0.27 | .90 | .38 | 11 | .18 | 2 | .07 | 3 | .04 |
| 0.40 | .80 | .24 | 21 | .34 | 4 | .13 | 7 | .10 | |
| 0.54 | .70 | .17 | 28 | .45 | 7 | .23 | 13 | .18 | |
Note. LI-only = language impairment without dyslexia; DYS-only = dyslexia without language impairment; LI+DYS = both language impairment and dyslexia.