Figure 4From: Blood management of staged bilateral total knee arthroplasty in a single hospitalization periodThe postoperative visual analog scale (VAS) scores at each time point. POD1(F) 1st day after the first surgery, POD3(F) 3rd day after the first surgery, POD1(S) 1st day after the second surgery, POD3(S) 3rd day after the second surgery. The asterisks indicate values that were significantly different between the groups.Back to article page