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Table 3 Analgesic effect of CFNB in two groups

From: Enhanced preoperative education about continuous femoral nerve block with patient-controlled analgesia improves the analgesic effect for patients undergoing total knee arthroplasty and reduces the workload for ward nurses

  Group A (n = 30) Group B (n = 30) P-Values
VAS at rest
 POD 1 1 (1,2) 0 (0,1) <0.001
 POD 2 0 (0,1) 0 (0,0) 0.005
VAS on motion
 POD 1 4 (4,5) 3 (2,5) <0.001
 POD 2 3 (3,4) 2 (2,2) <0.001
Knee flexion
 POD 1 100 (90, 120) 100 (90, 120) 0.916
 POD 2 108 (98, 120) 110 (99, 120) 0.811
  1. Non-normal data are expressed as median and interquartile values. CFNB Continuous femoral nerve block, VAS Visual Analogue Scale