Table 3

Regression analysis between individual components of the SEVR and inflammation in the primary cohort

Log ESR

Log CRP

DAS28

Primary cohort

DTI

β = -0.26, P = 0.001

β = -0.17, P = 0.03

β = -0.20, P = 0.004

TTI

β = 0.02, P = 0.85

β = 0.13, P = 0.08

β = -0.006, P = 0.38

HR

β = 0.18, P = 0.02

β = 0.32, P < 0.001

β = 0.13, P = 0.006

Validation cohort

DTI

β = -0.02, P = 0.81

β = -0.053, P = 0.56

n/a

TTI

β = 0.16, P = 0.10

β = 0.28, P = 0.002

n/a

HR

β = 0.85, P = 0.37

β = -0.27, P = 0.01

n/a

CRP, C-reactive protein; DAS28, Disease Activity Score in 28 joints; DTI, diastolic time index; ESR, erythrocyte sedimentation rate; HR, heart rate; n/a, not available; SEVR, subendocardial viability ratio; TTI, tension time index. Bold data represent statistically significant results.

Sandoo et al. Arthritis Research & Therapy 2012 14:R258   doi:10.1186/ar4103