Table 4 Multiple linear regression analysis models of the significant predictors of hip and major fractures FRAX in RA patients

 Constant

− 8.254

5.312

0.019

 Age

0.225

0.050

< 0.0001

 Menopausal years

0.294

0.111

0.072

 BMI

− 0.246

0.041

< 0.0001

 Cumulative steroid dose

2.546

0.714

0.112

 HAQ-DI

2.822

0.993

0.013

 DAS28-ESR

1.610

0.656

0.028

 DAS28-CRP

1.832

0.832

0.050

 BMD of femoral neck

− 12.61

1.913

< 0.0001

 Constant

− 29.95

4.910

0.005

 Age

0.381

0.087

0.001

 Menopausal years

0.518

0.226

0.001

 BMI

− 0.324

0.08

0.001

 Cumulative steroid dose

0.301

0.226

0.030

 HAQ-DI

6.606

1.49

0.001

 DAS-ESR

3.278

0.888

0.156

 DAS-CRP

5.034

1.085

0.09

 BMD of femoral neck

− 9.79

4.736

0.048