Table 1.

Cognitive status of Study group.

Subject (n = 45)	Mean age (years)	Mean MMSE
Alzheimer’s disease (male = 24; female = 21)	71.73 ± 8.84	3.50 ± 2.5
Controls (male = 22; female = 23)	67.46 ± 8.29	28.15 ± 2.60

Values are expressed as mean ± SD.

Mini Mental State Examination (MMSE) score used for measuring the degree of cognitive impairment with the following scale.

0–4, →profound; 4–13, →severe; 13–16, →moderate; 17–23, →mild; 24–30, →normal.