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 |