highly significantp < 0.0001
We observed highly significant differences in CCT distributions between all CU and AD dementia subgroups ( p < 0.0001), also noting significant differences between AD dementia subgroups and CU NC, CU SCC, and all MCI subgroups ( p < 0.004), and also between all dementia and both all CU ( p = 0.0018) an CU NC ( p = 0.028) subgrou