Table 2 Baseline delta band multivariate analyses according to region of interest (ROI).

From: EEG theta and beta bands as brain oscillations for different knee osteoarthritis phenotypes according to disease severity

Variables

Beta-coefficient

95% CI

p-value

R2

Frontal region

   

0.440

MoCA score

− 0.008

− 0.013 to − 0.003

0.002

 

SF-36 social function subscale

0.002

0.001 to 0.003

< 0.001

 

SICI average

− 0.137

− 0.232 to − 0.042

0.005

 

HAM-L depression scale

0.007

0.002 to 0.011

0.004

 

Age

0.004

0.002 to 0.007

0.001

 

Time of ongoing pain

− 0.0001

− 0.0003 to 0.0001

0.312

 

Central region

   

0.291

MoCA score

− 0.009

− 0.014 to − 0.004

0.001

 

SF-36 social function subscale

0.001

0.0004 to 0.002

0.005

 

SICI average

− 0.100

− 0.194 to − 0.006

0.037

 

Time of ongoing pain

− 0.0001

− 0.0003 to 0.0001

0.339

 

Age

0.002

− 0.0005 to 0.004

0.114

 

Parietal region

   

0.344

MoCA score

− 0.006

− 0.012 to − 0.001

0.013

 

HAM-L depression scale

0.007

0.002 to 0.012

0.004

 

SF-36 social function subscale

0.002

0.0009 to 0.003

< 0.001

 

Age

0.003

0.0006 to 0.006

0.015

 

Time of ongoing pain

− 0.0002

− 0.0004 to 0.00004

0.109