Clinical findings

African-American

N(%)

Hispanic

N(%)

Other

N(%)

Caucasian

N(%)

Unknown

N(%)

Fringe sign

18 (75)

12 (100)

2 (100)

1 (100)

2 (100)

Concurrent diagnosis

- Central centrifugal cicatricial alopecia

7 (29)

- Trichorrhexis nodosa

5 (21)

1 (8)

- Androgenetic or senescent alopecia

2 (17)

History of hair care

 - chemicals

9 (38)

1 (50)

- heat

6 (25)

1 (8)

 - ponytail

6 (25)

12 (100)

2 (100)

 1 (100)

1 (50)

 - braids

9 (38)

1 (8)

 - weave

8 (33)

1 (8)