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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Cephalalgia. 2020 Sep 9;41(2):135–147. doi: 10.1177/0333102420956711

Figure 6.

Figure 6.

Five-level version of the EuroQol five-dimensional survey (EQ-5D-EL) evaluation after WLED or GLED exposure. EQ-5D-5L index and patients’ own perception of health before and after WLED or GLED, in episodic (a), chronic (b) and combined (c) groups of patients. Index scale 0–1 where 0.worst quality of life, 1.best quality of life. Health perception scale 0–100, where 0 = worst imagined health, 100 = best imagined health. WLED had a statistically significant improvement of the EQ-5D-5L index in both combined and chronic migraine groups. WLED exposure did not produce any improvement of the patients’ own perceived health using the EQ-5D-5L survey (n[WLED]epi = 7, n[WLED]chro = 21). GLED exposure had a statistically more significant improvement of the EQ-5D-5L index in episodic, chronic, and combined migraine groups. GLED exposure also produced a statistically significant improvement of the patients’ own perceived health in both all groups (n[GLED]epi = 7, n[GLED]chro = 18). Data presented as average ± SEM, standard error of the mean (Wilcoxon matched-pairs signed rank test, *p<0.05, ***p<0.001).