Table 4

Mixed linear model regression with erosion counts as dependent variable

Parameter

Regression coefficient

P value

95% Confidence interval


Lower bound

Upper bound


Intercept

-6.671

0.238

-18.139

4.798


Sex (male)

2.500

0.403

-3.503

8.504


Age (years)

0.104

0.237

-0.075

0.284


Disease duration (years)

0.868

<0.001

0.500

1.236


DAS28

0.325

0.556

-0.886

1.535


Change in TRAP5b

-0.215

0.797

-2.118

1.688


Change in BAP

0.035

0.660

-0.186

0.256


Regression coefficients and P values are shown for each dependent variable at follow-up. Significant correlations (P <0.05) are indicated in bold. DAS28, Disease Activity Score 28; TRAP5b, tartrate-resistant acid phosphatase 5b; BAP, bone alkaline phosphatase.

Aschenberg et al. Arthritis Research & Therapy 2013 15:R62   doi:10.1186/ar4235

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