| Value | Category | Cases | |
|---|---|---|---|
| 1 | Participant /family report | 4 |
7.4%
|
| 2 | Medical records | 7 |
13%
|
| 3 | Exam (co-enrolled family members) | 2 |
3.7%
|
| 4 | Autopsy (if autopsy report available) | 11 |
20.4%
|
| 6 | Provided at previous visit | 30 |
55.6%
|