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The characteristics of the patients according to age, onset of effect, onset of loss of effect, and duration of complaint.
| Age | Onset of effect (day) | Onset of loss of effect (month) | Duration of complaint (year) | |
|---|---|---|---|---|
| Mean ± SD | 35.84 ± 8.41 | 12.24 ± 2.02 | 4.76 ± 1.01 | 8.84 ± 4.57 |
| Min–max | 23–55 | 8–15 | 2–6 | 1–18 |
