Table 1.
Demographic characteristics of female subjects at baseline for the 9- and 12-beam lasercomb trials
| Trial #1 (n = 65) | Trial #2 (n = 57) | |||||
|---|---|---|---|---|---|---|
| 9-beam lasercomb | Sham | p value | 12-beam lasercomb | Sham | p value | |
| Number of subjects | 43 | 22 | 39 | 18 | ||
| Age (years) | 0.8261 | 0.9102 | ||||
| Mean age (SD) | 49.3 (9.1) | 49.8 (7.3) | 48.7 (10.2) | 49.1 (8.3) | ||
| Median age | 52 | 49 | 50 | 49 | ||
| Range | 29–60 | 37–60 | 26–61 | 33–60 | ||
| Race, n (%) | 1.0000 | 1.0000 | ||||
| Caucasian | 39 (90.7 %) | 20 (90.9 %) | 37 (94.9 %) | 18 (100.0 %) | ||
| African American | 1 (2.3 %) | 0 (0 %) | 1 (2.6 %) | 0 (0 %) | ||
| Native American | 0 (0 %) | 0 (0 %) | 0 (0 %) | 0 (0 %) | ||
| Alaska Native | 0 (0 %) | 0 (0 %) | 0 (0 %) | 0 (0 %) | ||
| Asia/Pacific Islander | 2 (4.7 %) | 1 (4.5 %) | 1 (2.6 %) | 0 (0 %) | ||
| Other | 1 (2.3 %) | 1 (4.5 %) | 0 (0 %) | 0 (0 %) | ||
| Ethnicity, n (%) | 0.2773 | 1.0000 | ||||
| Hispanic or Latino | 13 (30.2 %) | 10 (45.5 %) | 10 (25.6 %) | 4 (22.2 %) | ||
| Not Hispanic or Latino | 30 (69.8 %) | 12 (54.5 %) | 29 (74.4 %) | 14 (77.8 %) | ||
| Ludwig/Savin classification, n (%) | 0.6513 | 0.2926 | ||||
| I-4 | 12 (27.9 %) | 3 (13.6 %) | 21 (53.8 %) | 6 (33.3 %) | ||
| II-1 | 11 (25.6 %) | 7 (31.8 %) | 11 (28.2 %) | 6 (33.3 %) | ||
| II-2 | 15 (34.9 %) | 9 (40.9 %) | 6 (15.4 %) | 4 (22.2 %) | ||
| Frontal | 5 (11.6 %) | 3 (13.6 %) | 1 (2.6 %) | 2 (11.1 %) | ||
| Fitzpatrick skin type, n (%) | 1.0000 | 0.7606 | ||||
| I | 0 (0 %) | 0 (0 %) | 2 (5.1 %) | 0 (0 %) | ||
| II | 15 (34.9 %) | 7 (31.8 %) | 11 (28.2 %) | 4 (22.2 %) | ||
| III | 20 (46.5 %) | 11 (50.0 %) | 14 (35.9 %) | 9 (50.0 %) | ||
| IV | 8 (18.6 %) | 4 (18.2 %) | 12 (30.8 %) | 5 (27.8 %) | ||
| Mean baseline hair counta (SD) | 162.6 (46.2) | 155.7 (43.5) | 142.2 (40.5) | 168.4 (41.1) | ||
aNumber of terminal hairs per cm2 in the target area
SD standard deviation