Fig. 2From: Correlations between inflammatory cytokines, muscle damage markers and acute postoperative pain following primary total knee arthroplastyThe serial changes of NRS pain scores after primary total knee arthroplasty (Mean ± 95% confidence intervals). a The serial changes of total NRS at rest and at walking following primary TKA. b, c Comparisons of NRS at rest (b) and at walking (c) among obese, overweight, and normal weight patients. *, the difference between obese and overweight patients was significant, p < 0.05; #, the difference between obese and normal weight patients was significant, p < 0.05; △, the difference between overweight and normal weight patients was significant, p < 0.05Back to article page