Table 2.
Characteristics of pediatric patients with vitiligo stratified by type of vitiligo.
| Variable | Type of vitiligo | ||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Segmental (SV) N = 10 |
Other types (NSV and IV) N = 30 |
P-value | Non-segmental (NSV) N = 23 |
Other types (SV and IV) N = 17 |
P-value | Indeterminate (IV) N = 7 |
Other types (SV y NSV) N = 33 |
P-value | |
|
| |||||||||
| Sex | |||||||||
| Male N = 27 | 5 (18.5) | 22 (81.5) | 0.24a | 7 (63.0) | 10 (37.0) | 0.49a | 5 (18.5) | 22 (81.5) | 0.99a |
| Female, No. (%) N = 13 | 5 (38.5) | 8 (61.5) | 6 (46.2) | 7 (53.8) | 2 (15.4) | 11 (84.6) | |||
|
| |||||||||
| Age, mead (SD), years | 8.3 (±4.1) | 11.1 (±4.0) | 0.05b | 11.0 (±4.4) | 9.6 (±3.9) | 0.03b | 11.5 (±2.8) | 10.1 (±4.4) | 0.43b |
|
| |||||||||
| Skin phototypes, No. (%) | |||||||||
| - III N = 27 | 6 (22.2) | 21 (77.8) | 0.70a | 15 (55.6) | 12 (44.4) | 0.99a | 6 (22.2) | 21 (77.8) | 0.39a |
| - IV N = 13 | 4 (30.8) | 9 (62.9) | 8 (61.5) | 5 (38.5) | 1 (7.7) | 12 (92.3) | |||
|
| |||||||||
| Distribution | |||||||||
| - Symmetrical, No. (%) N = 20 | 1 (5.0) | 19 (95.0) | 0.01a | 17 (85.5) | 3 (15.0) | 0.01a | 2 (10.0) | 18 (90.0) | 0.40a |
| - Asymmetrical No. (%)N = 20 | 9 (45.0) | 11 (55.0) | 6 (30.0) | 14 (70.0) | 5 (25.0) | 15 (75.0) | |||
|
| |||||||||
| Duration time, median (IQR), months | 24.0 (5.0, 45.0) | 27.0 (16.5, 60.0) | 0.34c | 30.0 (22.0, 60.0) | 24.0 (6.5, 42.0) | 0.21c | 24.0 (7.0, 48.0) | 24.0 (15.0, 60.0) | 0.60c |
|
| |||||||||
| VES (Vitiligo Extent Score), median (IQR) | 0.49 (0.20, 1.63) | 0.60 (0.14, 1.40) | 0.98*** | 0.78 (0.19, 1.51) | 0.22 (0.13, 0.63) | 0.04c | 0.16 (0.08, 0.24) | 0.70 (0.20, 1.46) | 0.01c |
|
| |||||||||
| Evolution, No. (%) | |||||||||
| - Pigmentary N = 11 | 2 (18.2) | 9 (81.8) | 0.89a | 7 (63.6) | 4 (36.4) | 0.29a | 2 (18.2) | 9 (81.8) | 0.08a |
| - Stable N = 7 | 2 (28.6) | 5 (71.4) | 2 (28.6) | 5 /71.4) | 3 (42.9) | 4 (57.1) | |||
| - Unstable N = 22 | 6 (28.3) | 16 (72.7) | 14 (63.6) | 8 (36.4) | 2 (9.1) | 20 (90.9) | |||
|
| |||||||||
| Patients with treatment, No. (%) | |||||||||
| - No N = 9 | 5 (55.6) | 4 (44.4) | 0.02a | 3 (33.3) | 6 (66.7) | 0.13a | 1 (11.1) | 8 (88.9) | 0.99a |
| - Yes N = 31 | 5 (16.1) | 26 (86.9) | 20 (63.5) | 11 (35.5) | 6 (19.4) | 25 (80.6) | |||
a
Fisher exact test,
b
Student t-test,
c
Mann-Whitney U test.