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. 2011 Jun 8;6(6):e20566. doi: 10.1371/journal.pone.0020566

Figure 5. Improvement of severity and frequency of disease exacerbations.

Figure 5

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.