Table 3: The characteristics of the patients according to age, onset of effect, onset of loss of effect, and duration of complaint.

AgeOnset of effect (day)Onset of loss of effect (month)Duration of complaint (year)

Mean ± SD35.84 ± 8.4112.24 ± 2.024.76 ± 1.018.84 ± 4.57
Min–max23–558–152–61–18