highly significantp = 0.016
Overall, saliva Aβ 42 levels were not significantly higher with age However, comparison of AD patients aged 60-65 with those aged 66-70 showed highly significant elevation in saliva Aβ 42 levels (1.64 ± 0.44 pg/ml versus 6.46 ± 3.43 pg/ml, p = 0.016).