Table 10.
Diagnostic Accuracy data reported for each assessment.
| Assessment | Manual or article | Criterions | Sensitivity % | Specificity % | PPP % | NPP% |
|---|---|---|---|---|---|---|
| ALL | ALL Manual | 10% base rate for population sample; 50, 70, 80, and 90% base rate for referral population; Other criterion not specified |
−1 SD = 98 −1.5 SD = 86 −2 SD = 54 |
−1SD = 89 −1.5 SD = 96 −2 SD = 98 |
10% base rate: −1 SD = 50 −1.5 SD = 73 −2SD = 77 80% base rate: −1 SD = 97 −1.5 SD = 99 −2 SD = 99 |
10% base rate: −1 SD = 100 −1.5 SD = 98 −2 SD = 95 80% base rate: −1 SD = 93 −1.5 SD = 30 −2 SD = 35 |
| CELF-5 | CELF-5 Manual | 10% base rate for population sample; 50, 60, 70, and 80% base rate for referral population; Other criterion not specified |
−1 SD = 100 −1.3 SD = 97 −1.5 SD = 85 −2 SD = 57 |
−SD = 91 −1.3 SD = 97 −1.5 SD = 99 −2 SD = 100 |
10% base rate: −1 SD = 55 −1.3 SD = 78 −1.5 SD = 86 −2 SD = 100 80% base rate: −1 SD = 98 −1.3 SD = 99 −1.5 SD = 100 −2 SD = 100 |
10% base rate: −1 SD = 100 −1.3 SD = 100 −1.5 SD = 98 −2 SD = 95 80% base rate: −1 SD = 100 −1.3 SD = 89 −1.5 SD = 62 −2 SD = 37 |
| CELF:P-2 | CELF:P-2 Manual | 20% base rate for population sample; 50, 70, 80, and 90% for referral sample |
NR | NR | 20% base rate: −1 SD = 53 −1.5 SD = 66 −2 SD = 82 80% base rate: −1 SD = 95 −1.5 SD = 97 −2 SD = 99 |
20%base rate: −1 SD = 95 −1.5 SD = 91 −2 SD = 86 80%base rate: −1 SD = 57 −1.5 SD = 39 −2 SD = 28 |
| Eadie et al., 2014 | CELF-P:2 scores at 4 years against CELF-4 scores at 5 years | −1.25 SD = 64.0 −2 SD = 42.1 |
−1.25 SD = 92.9 −2 SD = 98.6 |
NR | NR | |
| DELV-NR | DELV-NR Manual | 10% base rate for population sample; 50, 60, 70, and 80% base rate for referral population; Other criterion not specified |
−1 SD = 95 −1.5 SD = 69 −2 SD = 36 |
−1 SD = 93 −1.5 SD = 99 −2 SD = 100 |
10% base rate: 1 SD = 61 −1.5 SD = 87 −2 SD = 100 80% base rate: 1 SD = 98 −1.5 SD = 100 −2 SD = 100 |
10% base rate: −1 SD = 99 −1.5 SD = 97 −2 SD = 93 80% base rate: 1 SD = 84 −1.5 SD = 45 −2 SD = 28 |
| PLS-5 | PLS-5 Manual | 20% base rate for population sample; 50, 70, 80, and 90% for referral sample; Other criterion not specified |
With standard score 85 as cut-off = 91 | With standard score 85 as cut-off = 78 | 20% base rate: −1 SD = 51 −1.5 SD = 73 −2 SD = 78 80% base rate: −1 SD = 94 −1.5 SD = 98 −2 SD = 98 |
20% base rate: −1 SD = 95 −1.5 SD = 92 −2 SD = 87 80% base rate: −1 SD = 55 −1.5 SD = 41 −2 SD = 30 |
| TOLD-I:4 | TOLD-P:4 Manual | Criterion against other assessments: aPLOS, bPPVT-3, cTOLD-P:4, dWISC-IV, and eGlobal Language score; Other criterion not specified |
With Standard Score 90 as cut-off: eGlobal Language Score = 77 | With Standard Score 90 as cut-off: eGlobal Language Score = 89 | With Standard Score 90 as cut-off: eGlobal Language Score = 71 | NR |
| TOLD-P:4 | TOLD-I:4 Manual | Criterion against other assessments: aPLOS, fTOLD-P:4, and gGlobal Language Score; Other criterion not specified |
With Standard Score 90 as cut-off: gGlobal Language Score = 75 | With Standard Score 90 as cut-off: gGlobal Language Score = 87 | With Standard Score 90 as cut-off: gGlobal Language Score = 71 | NR |
PPP, Positive Predictive Power; NPP, Negative Predictive Power; Base rate for population sample, percentage of population expected to identify with language impairment; Base rate for referral population, percentage of children referred for assessment who identify with language impairment; NR, Not reported in this study; SD, Number of standard deviations selected as cut-off for calculation;
PLOS, Pragmatic Language Observation Scale;
PPVT-3, Peabody picture Vocabulary test-Third Edition;
TOLD-P:4, Test of Oral Language Development-Primary: 4th Edition;
WISC-IV, Weschler Intelligence Scale for Children-4th Edition (Verbal Comprehension Composite);
Global Language Score, Metavariable combining PLOS, PPVT-3, TOLD-P:4, WISC-IV scores;
TOLD-P:4, Test of Language Development-Intermediate: 4th Edition;
Global Language Score, Metavariable combining PLOS and TOLD-P:4 scores.