No. of hair pulled (number of hair strands)

1 = none (0), 2 negligible (1 - 2), 3 = mild (3 - 4), 4 = Moderate (5 - 6), 5 = severe (>6)

Baseline

Week 4

(Day 30)

Week 12

(Day 86)

Week 18

(Day 126)

Week 24

(Day 168)

Mean ± SD

0.74 ± 0.43

0.53 ± 0.33

0.47 ± 0.23

0.44 ± 0.20

0.38 ± 0.17

P value Over baseline

-

<0.0001

0.0002

0.0002

<0.0001

% Change from baseline

28.38

36.49

40.54

48.65