Table 1.
Baseline characteristics of subjects (n=139)

Values are presented as mean±standard deviation or number.
K-PDQ, Korean version of the Pain Disability Questionnaire; VAS, visual analogue scale.
Baseline characteristics of subjects (n=139)

Values are presented as mean±standard deviation or number.
K-PDQ, Korean version of the Pain Disability Questionnaire; VAS, visual analogue scale.