Table 3 Erosive hand OA predictive model.

Age at diagnosis

− 0.019

0.013

0.146

0.98

0.95

1.00

Sex (Male vs Female)

0.566

0.313

0.071

1.76

0.95

3.25

Hypertension

− 0.341

0.217

0.117

0.71

0.46

1.08

BMI (basal)

0.003

0.004

0.48

1.00

0.99

1.01

Knee OA (KL > I)

− 0.566

0.246

0.021

0.57

0.35

0.91

Nodular Hand OA

2.011

0.484

< 0.001

7.47

2.89

19.31

Immflamatory Hand OA

1.165

0.277

< 0.001

3.21

1.86

5.52

Hip OA

− 0.21

0.219

0.338

0.81

0.52

1.24

Total AUSCAN (basal)

0.013

0.004

< 0.001

1.01

1.00

1.02

Constant

− 1.856

0.933

0.047

0.16

AUC (IC95%) = 0.76 (0.72–0.80)