Figure 5. Improvement of severity and frequency of disease exacerbations.
A, After 3 and 6 months after blue light therapy initiation, patients were asked about their total number of disease exacerbations within the last 3 months, and about the frequency and intensity of these flare ups since treatment start. B, The number of patients that judged this treatment superior to prior treatments at 3 and 6 months post treatment initiation is given.