From: Non-invasive interactive neurostimulation (InterX ™) reduces acute pain in patients following total knee replacement surgery: a randomised, controlled trial
Medication Intake
Control
InterX
% Difference
P value
PCA
(mg/day)
32.73
29.7
9.3%
p = 0.68
Voltarol
(100 mg/day)
315
230
27%
p = 0.28
Paracetamol
(# 500 mg pills/day)
7.23
7.1
1.8%
p = 0.90
Cocodamol
30/500/per day
4.47
4.0
10.5%
p = 0.56