Table 2 Pearson correlational relationships between continuous demographic, baseline and follow-up variables

Age

-

Disease duration

0.29*

-

Number of comorbidities

0.32

0.22

-

Baseline Variables

ESR

0.10

0.27*

0.07

-

TJC

−0.13

0.07

0.13

−0.13

-

SJC

−0.14

−0.03

0.03

0.11

0.54**

-

PGA

−0.20

0.16

0.25

0.18

0.64***

0.45***

-

DAS-28

−0.17

0.13

0.03

0.44***

0.41**

0.47***

0.60***

-

Depression

−0.26

0.12

−0.16

0.04

0.25

0.23

0.44**

0.40**

-

Anxiety

−0.29*

−0.02

−0.11

0.03

0.16

0.19

0.31*

0.29*

0.76***

-

Follow-up Variables

ESR

0.10

0.33*

−0.01

0.86***

−0.13

−0.02

0.16

0.37**

0.03

0.03

-

TJC

0.18

0.23

0.15

−0.18

0.24

0.00

0.32*

0.07

0.34*

0.23

0.02

-

SJC

0.33*

0.32*

0.16

0.23

0.01

0.01

0.11

0.07

0.16

0.08

0.44**

0.64***

-

PGA

0.19

0.33*

0.03

0.11

0.29*

0.19

0.46***

0.45***

0.45***

0.43**

0.22

0.37**

0.23**

-

DAS-28

−0.03

0.21

0.06

0.36**

0.07

0.08

0.35*

0.80***

0.39**

0.33*

0.47**

0.33*

0.36*

0.61***

-