Table 5.
Quality‐of‐life scores stratified by baseline patient demographics
| Demographic | N | Total VitiQoL, median (IQR) | Stigma, median (IQR) | Participation limitation, median (IQR) | Behaviour, median (IQR) |
|---|---|---|---|---|---|
| All patients | 219 | 48 (18–70) | 19 (10–25) | 19 (4–33) | 10 (3–16) |
| Age group, y | |||||
| 19–24 | 19 | 30 (8–57) | 11 (4–20) | 10 (2–27) | 7 (2–14) |
| 25–29 | 29 | 66 (40–74) | 22 (14–25) | 30 (13–34) | 13 (8–16) |
| 30–34 | 32 | 56 (30–69) | 20 (12–25) | 24 (11–33) | 12 (5–15) |
| 35–39 | 42 | 64 (37–79) | 24 (14–27) | 29 (14–36) | 13 (5–17) |
| 40–44 | 29 | 56 (43–77) | 21 (15–24) | 25 (16–37) | 12 (7–16) |
| 45–49 | 12 | 51 (20–62) | 20 (13–24) | 15 (2–24) | 14 (4–18) |
| 50–54 | 11 | 40 (30–61) | 18 (13–26) | 16 (6–23) | 10 (6–15) |
| 55–59 | 13 | 16 (8–45) | 11 (4–16) | 3 (0–21) | 2 (0–6) |
| 60–64 | 12 | 29 (15–54) | 14 (7–19) | 10 (3–22) | 8 (4–12) |
| 65–69 | 13 | 16 (11–31) | 9 (7–15) | 4 (0–8) | 5 (0–9) |
| 70–74 | 7 | 3 (0–85) | 2 (0–27) | 0 (0–40) | 1 (0–18) |
| P value for association* | 0.00017 | 0.0013 | <0.0001 | 0.0037 | |
| Sex † | |||||
| Male | 100 | 50 (17–75) | 19 (11–26) | 22 (4–35) | 10 (5–16) |
| Female | 118 | 46 (22–67) | 19 (10–24) | 16 (5–31) | 10 (3–15) |
| P value for association* | 0.29 | 0.63 | 0.12 | 0.81 | |
| Fitzpatrick scale | |||||
| I | 10 | 47 (30–77) | 17 (13–24) | 17 (11–37) | 14 (4–18) |
| II | 48 | 49 (32–70) | 19 (13–26) | 20 (14–33) | 12 (7–17) |
| III | 88 | 55 (28–73) | 20 (11–26) | 21 (7–34) | 11 (6–16) |
| IV | 65 | 35 (8–65) | 18 (4–23) | 11 (0–29) | 5 (1–14) |
| V | 8 | 60 (19–64) | 22 (13–23) | 26 (6–29) | 9 (4–16) |
| P value for association* | 0.17 | 0.34 | 0.21 | 0.024 | |
| Race/Ethnicity ‡ | |||||
| Caucasian | 146 | 48 (16–72) | 19 (10–25) | 19 (4–34) | 10 (3–16) |
| Japanese | 23 | 54 (28–66) | 19 (11–25) | 22 (12–30) | 9 (5–15) |
| Hispanic | 9 | 60 (50–82) | 20 (18–29) | 24 (16–36) | 14 (14–17) |
| Black | 5 | 8 (0–31) | 6 (0–21) | 1 (0–5) | 1 (0–5) |
| Other | 5 | 67 (57–86) | 23 (18–30) | 27 (27–39) | 17 (12–17) |
| P value for association* | 0.10 | 0.26 | 0.11 | 0.048 | |
| Geographical region | |||||
| Europe | 150 | 45 (22–66) | 18 (10–24) | 18 (5–31) | 10 (3–15) |
| USA | 48 | 56 (14–77) | 22 (8–26) | 22 (2–35) | 12 (4–17) |
| Japan | 21 | 55 (30–66) | 20 (12–25) | 26 (12–30) | 9 (6–15) |
| P value for association* | 0.48 | 0.41 | 0.45 | 0.77 | |
IQR, interquartile range (quartile 1–quartile 3); VitiQoL, Vitiligo‐specific Quality of Life.
*
P values for subgroup associations were derived from the non‐parametric Kruskal–Wallis test. Significant P values are in bold.
†
Sex data were available for 218 patients.
‡
Ethnicity data were available for 188 patients; ethnicity data were not solicited in France.