Effect of the Herbal Drug Guilu Erxian Jiao on Muscle Strength, Articular Pain, and Disability in Elderly Men with Knee Osteoarthritis

Figure 2

Box plots showing decremental change of VA or LI score for each subgroup. A () group, decremental change of visual analog pain scale score in non-GEJ-treated group; B () group, decremental change of visual analog pain scale score in GEJ-treated group; C () group, decremental change of Lequesne index score in non-GEJ-treated group; D () group, decremental change of Lequesne index score in GEJ-treated group; E () group, (I) change of pain or discomfort in non-GEJ-treated group; F () group, (I) change of pain or discomfort in GEJ-treated group; G () group, (II) change of maximum distance walked in non-GEJ-treated group; H () group, (II) change of maximum distance walked in GEJ-treated group; I () group, (III) change of activities of daily living in non-GEJ-treated group; J () group, (III) change of activities of daily living in GEJ-treated group.