1. From Astley correspondence (sample of 160 /c FAS v PFAS dx)
CNS Rank 0-3 4-5 6-10 11-15 15-19
1 (normal) 70% 33% 6% 3% 0%
2 13% 11% 13% 10% 0%
3 17% 56% 82% 86% 100%
Total N 46 27 55 29 3
But how do the kids /c CNS rank of 1 merit a FAS v PFAS dx?