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

Figure 4

Box plots showing VAS and Lequesne index score for each subgroup. A (pre) group, VAS at pretreatment; B (post) group, VAS at posttreatment; C (pre) group, Lequesne index score at pretreatment; D (post) group, Lequesne index score at posttreatment; E (pre) group, (I) pain or discomfort at pretreatment; F (post) group, (I) pain or discomfort at posttreatment; G (pre) group, (II) maximum distance walked at pretreatment; H (post) group, (II) maximum distance walked at posttreatment; I (pre) group, (III) activities of daily living at pretreatment; J (post) group, (III) activities of daily living at posttreatment.