| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Within 1 week | 59 |
1.2%
|
| 2 | b. Within 1 month | 68 |
1.4%
|
| 3 | c. Within 3 months | 13 |
0.3%
|
| Missing value | 4864 |
97.2%
|