Table 3 Simple linear regression analysis to determine influence of baseline factors on damage outcomes (RA patients)

RA duration (years)

0.04

0.01

4.38

0.0002

0.42

Sex F (ref = M)

−1.67

3.26

−0.51

0.61

0.01

Age

0.13

0.11

1.22

0.23

0.05

DAS28CRP

2.39

1.52

1.57

0.1282

0.09

Anti-CCP positive

0.00

0.02

0.25

0.8056

0.00

HAQ

3.06

2.28

1.34

0.1913

0.06

MRI cartilage score

0.77

0.11

7.32

<.0001

0.67

MRI erosion score

0.52

0.11

4.77

<.0001

0.47

MRI bone oedema score

0.67

0.16

4.11

0.0004

0.39

MRI synovitis score

3.04

0.78

3.90

0.0006

0.37

RA duration (years)

0.06

0.01

5.62

<.0001

0.55

Sex F (ref = M)

-2.89

4.32

-0.67

0.50

0.02

Age

0.35

0.13

2.71

0.01

0.22

DAS28CRP

0.21

2.11

0.10

0.92

0.00

Anti-CCP positive

-0.03

0.02

-1.41

0.17

0.07

HAQ

1.96

3.11

0.63

0.53

0.02

MRI cartilage score

0.88

0.18

4.98

<.0001

0.49

MRI erosion score

0.95

0.07

13.15

<.0001

0.87

MRI bone oedema score

1.20

0.15

7.98

<.0001

0.71

MRI synovitis score

5.34

0.78

6.85

<.0001

0.64