Table 4. Correlation of autistic cognitive level quantified by score of full-scale intelligence quotient of WISC-IV against thickness of retinal layers with inter-group differences.
| Layer thickness | IQ | |
|---|---|---|
| r | P | |
| GCL | −0.167 | 0.297 |
| IN | 0.093 | 0.564 |
| IT | −0.083 | 0.605 |
| T | −0.243 | 0.125 |
| INL | 0.035 | 0.828 |
| N | 0.270 | 0.088 |
| IN* | 0.381 | 0.014 |
| IT | −0.095 | 0.555 |
| T | −0.153 | 0.340 |
*, significant differences. WISC-IV, Wechsler Intelligence Scale for Children, Fourth Edition; IQ, score of full-scale intelligence quotient of WISC-IV; GCL, ganglion cell layer; IN, infero-nasal quadrant; IT, infero-temporal quadrant; T, temporal quadrant; INL, inner nuclear layer; N, nasal quadrant.