Research Article

Effectiveness and Safety of Botulinum Toxin Type A in the Treatment of Androgenetic Alopecia

Table 2

Evaluation of hair counts between two groups at different time.

BTA ()BTA+FNS () value

Hair counts at different time (root/cm2)
 0 (before treatment)0.715
 3 months (once treatment)0.212
 6 months (twice treatment)0.074
 9 months (three times treatment)0.091
 12 months (four times treatment)0.035
a value0.015<0.001
b value<0.001<0.001
c value<0.001<0.001
d value<0.001<0.001

BTA: botulinum toxin type A; BTA+FNS: botulinum toxin type A+finasteride; a value was derived from comparisons between 0 and 3 months; b value was derived from comparisons between 0 and 6 months; c value was derived from comparisons between 0 and 9 months; d value was derived from comparisons between 0 and 12 months.