Table 4.

Comparison of changes in functional disability, quality of life, and general health VAS after specified treatments

Variable	Change during placebo	Change during KRG	p*
HAQ-DI	−0.01± 0.34	−0.03 ± 0.24	0.74
EQ-5D	0.00 ± 0.05	−0.00 ± 0.07	0.78

Data are expressed as mean ± standard deviation

EQ-5D, EuroQol-5 dimension; HAQ-DI, health assessment questionnaire-disability index; KRG, Korean red ginseng

* For the difference between the changes during KRG compared to placebo, using a mixed effect model