Table 3.
Onset Time
| Frequency | Incidence Rate (%) | |
|---|---|---|
| ≤1days | 258 | 25.70 |
| 3days | 521 | 51.79 |
| 7days | 720 | 71.71 |
| 14days | 806 | 80.28 |
| 30days | 852 | 84.86 |
| Total | 1004 | 100 |
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