From: The cognitive impairment and risk factors of the older people living in high fluorosis areas: DKK1 need attention
AD-8/MoCA-B
Normal
Abnormal
Total
Group
146 (84.9%)
26 (15.1%)
172(100%)
X2 = 43.736
Fluoride
148(54.4%)
124(45.6%)
272(100%)
P = 0.000**
294(66.2%)
150(33.8%)
444(100%)