| Value | Category | Cases | |
|---|---|---|---|
| 1 | Participant /family report | 13 |
21.7%
|
| 2 | Medical records | 16 |
26.7%
|
| 3 | Exam (co-enrolled family members) | 8 |
13.3%
|
| 4 | Autopsy (if autopsy report available) | 8 |
13.3%
|
| 6 | Provided at previous visit | 15 |
25%
|