Fig. 3

The distribution in the difference between the scale scores of each group before and after 3 months of treatment. PF, physical function; RP, role limitations because of physical health problems; BP, bodily pain; GH, general health perception; VT, vitality; SF, social function; RE, role limitations because of emotional problems; MH, mental health. The VT and SF score improvement rates in the improved group were 78% (18/23) and 74% (17/23), respectively, and only 3 patients had decreased scores on both scales