Table 3 Logistic analysis for RA patients with prefrailty or frailty.

From: Habitual fish intake negatively correlates with prevalence of frailty among patients with rheumatoid arthritis

Variables

Univariate

Multivariate

OR

95% CI

P value

OR

95% CI

P value

Age (1 year)

1.03

1.01–1.05

0.0016

1.01

0.99–1.03

0.22

Duration of RA (1 year)

1.02

1.00–1.04

0.078

1.00

0.98–1.02

0.89

DAS28-ESR

1.81

1.41–2.33

 < 0.0001

1.70

1.30–2.22

 < 0.0001

HAQ

7.69

4.3–13.8

 < 0.0001

   

MTX use

0.46

0.27–0.78

0.0039

0.47

0.26–0.84

0.0098

PSL use

2.07

1.23–3.48

0.0054

1.37

0.78–2.41

0.27

Biological agents use

0.90

0.57–1.42

0.66

1.02

0.62–1.68

0.94

Right hand grip

0.90

0.87–0.94

 < 0.0001

   

Left hand grip

0.91

0.88–0.94

 < 0.0001

   

Walking speed

0.04

0.013–0.103

 < 0.0001

   
  1. Results of univariate logistic (left) and multivariate logistic (right) regression analysis with RA-related factors regarding the presence of prefrailty or frailty. A dummy variable was constructed as follows: 0 = robust and 1 = prefrailty or frailty, and these regression analyses were performed with its frailty variable as a dependent variable.
  2. RA rheumatoid arthritis, DAS28-ESR 28-joint Disease Activity Score using erythrocyte sedimentation rate, HAQ health assessment questionnaire, MTX methotrexate, PSL prednisolone.
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