Database

CERAD Study Population (Database)
Basic Characteristics of Cases with Alzheimer’s Disease (N=1094)
and Control Subjects (N=463) at Entry into CERAD

CASES CONTROLS
Year Entered
1987 148 122
1988 315 219
1989 181 78
1991 188 15
1992-95 146 4
Stage of Dementia (CDR Scale)
No Dementia 0 460
Uncertain 37 3
Mild 564 0
Moderate 425 0
3 68 0
Age at Entry (Years)
Less than 65 187 139
65-74 423 226
More than 74 484 98
Race
White 890 429
Black 204 34
Number of Return Visits
0 197 38
1 124 18
2 134 39
3 636 638
Sex
Male 448 160
Female 646 303
Education (Years)
Not Known 6 0
0 – 8 234 36
9 – 11 117 39
12 324 136
Greater than 12 413 252
Entered Nursing Home
Yes 519 18
No 575 445
Death
Yes 411 25
No 683 438
Brain Autopsy
Yes 202 8
No 209 17