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. 2013 May 15;5:51–67. doi: 10.2147/OARRR.S38032

Table 2.

Question 23: effect of current treatment (N = 308)

Treatment efficacy %
Dramatic improvement 12.4
Marked improvement 26.9
Somewhat improved 44.8
Somewhat worsened 4.2
Marked worsening 2.3
Dramatic worsening 0.3