Fig. 2From: Education level has an effect on the recovery of total knee arthroplasty: a retrospective studyVAS score of each group. There was no significant difference between Group A and Group B (P = 0.37 > 0.05) and no significant difference between Group C and Group D (P = 0.408 > 0.05), but there was significant difference when Group A or B was compared with Group C or Group D (P < 0.05)Back to article page