Table 1.
Characteristics of the cohort obtained after applying inclusion and exclusion criteria, grouped by race
Demographic information for all 128 patients, along with their skin tone measurements, were grouped by race. The group “Other” contains patients who self-identify as Asian (n= 5), American Indian / Alaskan natives (n= 6), More than two races (n= 2), and Unknown race (n= 2). Among the eight skin tone scales, Monk scale, Fitzpatrick scale, Von Luschan scale, and Delfin Melanin Index are ordered numerically ascending from light to dark, the other ones are ascending.
| Patients grouped by race group | ||||||
|---|---|---|---|---|---|---|
| Missing | Black | Other | White | Overall | ||
| n | 57 | 15 | 56 | 128 | ||
| Ethnicity, n (%) | Not Hispanic/Latino | 0 | 57 (100.0) | 12 (80.0) | 52 (92.9) | 121 (94.5) |
| Hispanic/Latino | 1 (6.7) | 3 (5.4) | 4 (3.1) | |||
| Unknown | 2 (13.3) | 1 (1.8) | 3 (2.3) | |||
| Gender, n (%) | Female | 0 | 23 (40.4) | 3 (20.0) | 25 (44.6) | 51 (39.8) |
| Observed oximeter location, n (%) | Forehead | 0 | 1 (1.8) | 0 (0.0) | 0 (0.0) | 1 (0.8) |
| Missing | 18 (31.6) | 7 (46.7) | 20 (35.7) | 45 (35.2) | ||
| Palm average | 36 (63.2) | 7 (46.7) | 36 (64.3) | 79 (61.7) | ||
| Right toe | 2 (3.5) | 1 (6.7) | 0 (0.0) | 3 (2.3) | ||
| Fitzpatrick scale, mean (SD) | 0 | 4.8 (0.6) | 3.6 (1.1) | 2.7 (0.6) | 3.7 (1.2) | |
| Von Luschan scale, mean (SD) | 0 | 27.3 (2.3) | 22.0 (5.2) | 19.0 (3.4) | 23.0 (5.1) | |
| Monk scale, mean (SD) | 0 | 6.4 (0.6) | 5.2 (1.4) | 4.3 (0.7) | 5.3 (1.2) | |
| Delfin ITA, mean (SD) | 0 | −2.9 (13.9) | 21.0 (12.5) | 37.2 (11.9) | 17.4 (22.8) | |
| Delfin L*, mean (SD) | 0 | 48.9 (4.8) | 56.4 (6.6) | 63.1 (4.3) | 56.0 (8.2) | |
| Variable L*, mean (SD) | 29 | 49.9 (5.1) | 57.7 (5.5) | 63.1 (4.0) | 57.1 (7.8) | |
| Konica Minolta L*, mean (SD) | 8 | 40.4 (4.9) | 48.2 (5.0) | 54.4 (4.6) | 47.5 (8.1) | |
| Delfin Melanin Index, mean (SD) | 0 | 742.2 (42.3) | 650.2 (51.7) | 598.4 (49.4) | 668.5 (82.4) | |