Table 3 Binary logistic regression model results using the parallel CPM paradigm for predicting and classifying participants.

From: Conditioned pain modulation (CPM) paradigm type affects its sensitivity as a biomarker of fibromyalgia

 

Predicted

 

FM patients

Healthy controls

Correctly classified

Observed

FM patients

16

7

69.6%

Healthy controls

7

16

69.6%

β

Odds ratio

Sig

Cox and Snell R2

Nagelkerke R2

− 1.593

0.203

p = 0.006**

0.188

0.250

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