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Cognitive profile classification based on IQ and EF vs. based on IQ only. Percentages are percent of the overall sample.
| Profile Based on IQ and EF | |||||
|---|---|---|---|---|---|
|
| |||||
| Normal | Low Normal | Moderately Impaired | Severely Impaired | Overall | |
| Classification based on IQ only | |||||
| ZIQ > -1 | n=298 | n=264 | n=11 | 0 | n=573 |
| 34.1% | 30.2% | 1.9% | 65.6% | ||
| -2 < ZIQ ≤ -1 | 1 | n=94 | n=71 | 0 | n=166 |
| 0.6 | 10.8% | 8.1% | 19.0% | ||
| ZIQ ≤ -2 | 0 | n=2 | n=63 | n=69 | n=134 |
| 0.2% | 7.2% | 7.9% | 15.4% | ||
| Overall | n=299 | n=360 | n=145 | n=69 | n=873 |
| 34.2% | 41.2% | 16.6% | 7.9% | ||
