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Table 3 Linear regression models predicting end-of-treatment Diary Pain Intensity and KOOS Activity-Related Pain

From: Variability in conditioned pain modulation predicts response to NSAID treatment in patients with knee osteoarthritis

DV = Average Daily Pain Intensity
Variable Step R2 β p
Step 1 Baseline Pain Intensity .48** (for step) .77** .001
Age   -.03
Sex   .21
Step 2 Baseline CPM .09* (for step) -.30* .03
DV = Koos Pain
  Variable Step R2 β p
Step 1 Baseline KOOS Pain .30** (for step) .47** .02
Age   -.05
Sex   .16
Step 2 Baseline CPM .13* (for step) .37* .03
  1. CPM conditioned pain modulation, DV dependent variable, KOOS knee injury and osteoarthritis outcomes score
  2. *p < 0.05
  3. **p < 0.01