Table 5.

Prevalence of Dermatologic Comorbidity in People with (n = 2689; Mean Age 50.0 Years) vs without Vitiligo (n = 1,616,989; Mean Age 45.8 Years), Non-adjusted Claims Data

		Participants with Vitiligo		Participants without Vitiligo
ICD-Code	Disease	%	95% CI	%	95% CI
L20.-	Atopic dermatitis	7.7	6.72–8.86	3.6	3.52–3.58
L40.-	Psoriasis	6.7	5.79–7.79	2.6	2.60–2.65
L40.0	Psoriasis vulgaris	4.3	3.56–5.17	1.4	1.38–1.41
L40.1	Generalised pustular psoriasis	0.1	0.01–0.27	0.0	0.04–0.04
L40.3	Pustulosis palmaris et plantaris	0.2	0.06–0.43	0.1	0.09–0.10
L40.4	Guttate psoriasis	0.0	0.00	0.0	0.03–0.03
L40.5	Arthropathic psoriasis	0.5	0.26–0.83	0.3	0.28–0.30
L40.8	Other psoriasis	0.7	0.40–1.06	0.3	0.31–0.33
L40.9	Psoriasis, unspecified	3.4	2.76–4.20	1.4	1.34–1.37
L43.-	Lichen planus	0.7	0.40–1.06	0.2	0.15–0.17
L63.-	Alopecia areata	1.2	0.84–1.72	0.3	0.24–0.26
L64.-	Androgenic alopecia	1.2	0.78–1.64	0.4	0.43–0.45
L65.-	Other nonscarring hair loss	3.1	2.46–3.83	1.2	1.20–1.23
L66.-	Cicatricial alopecia	0.1	0.02–0.33	0.0	0.04–0.04
L88.-	Pyoderma gangraenosum	0.0	-	0.0	0.01–0.01
C43.-	Malignant melanoma of skin	0.8	0.51–1.24	0.4	0.38–0.40
C44.-	Other and unspecified malignant neoplasm of skin	2.2	1.64–2.79	1.0	1.02–1.05
L81.-	Other disorders of pigmentation	5.8	4.96–6.83	1.0	1.01–1.04
L73.2	Hidradenitis suppurativa	0.1	0.01–0.27	0.1	0.05–0.05
L70.0	Acne vulgaris	2.3	1.80–3.00	1.4	1.42–1.46
Q82.5	Congenital nonneoplastic nevus	0.6	0.34–0.97	0.2	0.17–0.18
L81.2	Freckles	0.1	0.01–0.27	0.0	0.03–0.04
L81.4	Other melanin hyperpigmentation	1.6	1.13–2.11	0.7	0.64–0.67
L85.3	Xerosis cutis	0.6	0.34–0.97	0.3	0.26–0.27

Note: Significant group differences in bold.

Abbreviation: CI, confidence interval.