Study Number Reference	Demographics		Statistics	DLQI Displays
Table: Dermatology Life Quality Index (DLQI) measures from 12 alopecia areata studies¹
DLQI is measured from 0-30 with the latter indicating more severe impairment
Study Number Reference	Age (yr)	Female (%)	Sample Size	5-number summary Q1-■Median-Q3 Mean→SD	Density Dot Plot (Simulated) 0 5 10 15 20 25 30
3 Andersen et al.94	51	67.1%	1494
2 Ferentinos et al.95	43	63.5%	52
1 Ito et al.22	43	67.3%	400
10 Qi et al.20	39	50.0%	698
5 Velez-Muniz et al.13	—	56.0%	126
12 Ghajarzadeh et al.100	23	31.0%	100
11 Shi et al.29	—	73.0%	532
9 Yu et al.32	32	58.5%	130
7 Liu et al.27	41	65.6%	292
6 Abedini et al.19	31	12.5%	176
8 Zhang et al.16	—	—	55
4 Nasimi et al.90	29	35.0%	100
References 94. Andersen YMF, Nymand L, DeLozier AM, et al. Patient characteristics and disease burden of alopecia areata in the Danish Skin Cohort. BMJ Open 2022; 12: e053137. 95. Ferentinos P, Kalogeropoulou E, Pappa G, et al. Assessing the role of stressful life events in the induction and recurrence of alopecia areata: A case-control study. J Am Acad Dermatol. Epub ahead of print 24 March 2022. DOI: 10.1016/j.jaad.2022.03.036. 22. Ito T, Kamei K, Yuasa A, et al. Health-related quality of life in patients with alopecia areata: Results of a Japanese survey with norm-based comparisons. J Dermatol 2022; 49:584-593. 20. Qi S, Xu F, Sheng Y, et al. Assessing quality of life in Alopecia areata patients in China. Psychol Health Med 2015; 20: 97-102. 13. Vélez-Muñiz R d. C, Peralta-Pedrero ML, Jurado-Santa Cruz F, et al. Psychological Profile and Quality of Life of Patients with Alopecia Areata. Skin Appendage Disorders 2019; 5:293-298. 100. Ghajarzadeh M, Ghiasi M, Kheirkhah S. Associations between skin diseases and quality of life: a comparison of psoriasis, vitiligo, and alopecia areata. Acta Med Iran 2012; 50:511-515. 29. Shi Q, Duvic M, Osei JS, et al. Health-Related Quality of Life (HRQoL) in Alopecia Areata Patients-A Secondary Analysis of the National Alopecia Areata Registry Data. J Investig Dermatol Symp Proc 2013; 16: S49-S50. 32. Yu N-L, Tan H, Song Z-Q, et al. Illness perception in patients with androgenetic alopecia and alopecia areata in China. Journal of Psychosomatic Research 2016; 86: 1-6. 27. Liu LY, Craiglow BG, King BA. Successful treatment of moderate-to-severe alopecia areata improves health-related quality of life. J Am Acad Dermatol 2018; 78: 597-599.e2. 19. Abedini R, Hallaji Z, Lajevardi V, et al. Quality of life in mild nd severe alopecia areata patients. Int J Womens Dermatol 2018; 4: 91-94. 16. Zhang M, Zhang N. Quality of life assessment in patients with alopecia areata and androgenetic alopecia in the People's Republic of China. Patient Prefer Adherence 2017;11: 151-155. 90. Nasimi M, Ghandi N, Torabzade L, et al. Alopecia Areata-Quality of Life Index Questionnaire (Reliability and Validity of the Persian Version) in Comparison to Dermatology Life Quality Index. Int J Trichology 2020; 12: 227-233.
¹ Muntyanu, Anastasiya, et al. The burden of alopecia areata: A scoping review focusing on quality of life, mental health and work productivity. Journal of the European Academy of Dermatology and Venereology (2023).