| Value | Category | Cases | |
|---|---|---|---|
| 1 | Participant /family report | 6 |
10.7%
|
| 2 | Medical records | 8 |
14.3%
|
| 3 | Exam (co-enrolled family members) | 13 |
23.2%
|
| 4 | Autopsy (if autopsy report available) | 15 |
26.8%
|
| 6 | Provided at previous visit | 14 |
25%
|