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Table 2 Procedure-related pain and stimulation parameters

From: Ultrasound-guided percutaneous peripheral nerve stimulation for analgesia following total knee arthroplasty: a prospective feasibility study

   Procedure-related pain Stimulation parameters
Subject Catheter location (NRS) Minimum sensation Maximum tolerable Optimal settings
    (μs) (mA) (μs) (mA) (μs) (mA) (Hz)
A femoral 2 15 6 15 10 15 9 100
sciatic 18 20 18 20 18 20 100
B femoral 0 15 1 17 20 15 20 100
C femoral 4 15 10 22 20 15 18 100
sciatic 15 20 200 20 50 20 100
D femoral 2 15 5 26 20 19 20 100
E femoral 1 15 1 15 5 15 5 100
Mean 1.8 15 9 45 16 21 16 100
  1. NRS numeric rating scale (0–10)