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Table 2 Postoperative primary outcomes

From: Modified Robert Jones bandage can not reduce postoperative swelling in enhanced-recovery after primary total knee arthroplasty without intraoperative tourniquet: a randomized controlled trial

Variable Compression group Control group P value
Mean circumference (cm)
Superior pole of patella
 POD1 41.75 ± 2.90 41.61 ± 3.46 0.84
 POD3 42.64 ± 2.88 42.56 ± 3.50 0.91
 3w 40.19 ± 2.89 40.11 ± 3.57 0.91
 POD1 change 2.22 ± 1.01 2.14 ± 0.86 0.71
 POD3 change 3.10 ± 1.31 3.08 ± 1.12 0.95
 3w change 0.66 ± 0.26 0.64 ± 0.25 0.80
Mid-line of patella
 POD1 40.40 ± 2.66 40.26 ± 3.28 0.84
 POD3 41.31 ± 2.62 41.03 ± 3.37 0.67
 3w 38.97 ± 2.62 38.82 ± 3.25 0.82
 POD1 change 2.09 ± 0.96 2.13 ± 0.93 0.81
 POD3 change 3.00 ± 1.32 2.90 ± 1.27 0.73
 3w change 0.66 ± 0.31 0.69 ± 0.26 0.56
Inferior pole of patella
 POD1 38.08 ± 2.71 37.97 ± 3.22 0.87
 POD3 38.88 ± 3.11 38.53 ± 3.54 0.63
 3w 36.92 ± 2.81 36.73 ± 3.17 0.77
 POD1 change 1.76 ± 1.14 1.79 ± 0.98 0.90
 POD3 change 2.57 ± 1.63 2.35 ± 1.46 0.52
 3w change 0.61 ± 0.36 0.56 ± 0.31 0.48
Thigh
 POD1 46.23 ± 3.49 45.90 ± 4.19 0.68
 POD3 46.87 ± 3.68 46.57 ± 4.22 0.72
 3w 45.79 ± 3.46 45.53 ± 4.14 0.74
 POD1 change 1.40 ± 0.71 1.26 ± 0.66 0.35
 POD3 change 2.03 ± 0.96 1.93 ± 0.90 0.61
 3w change 0.96 ± 0.61 0.89 ± 0.58 0.58
Calf
 POD1 35.20 ± 2.44 34.95 ± 2.63 0.65
 POD3 35.30 ± 2.52 35.07 ± 2.67 0.68
 3w 34.82 ± 2.39 34.54 ± 2.46 0.60
 POD1 change 1.12 ± 0.66 1.16 ± 0.62 0.83
 POD3 change 1.22 ± 0.78 1.27 ± 0.70 0.75
 3w change 0.74 ± 0.56 0.75 ± 0.43 0.95
  1. POD postoperative day, 3w 3 weeks after surgery