Correlation between serum resistin levels and age in systemic lupus erythematosus (SLE) patients and controls. The constant and the regression coefficients, with respect to resistin values and age, were compared with the corresponding parameters of the controls by use of a special t test. The regression coefficient is the slope. No significant difference was found between these parameters.
Almehed et al. Arthritis Research & Therapy 2008 10:R15 doi:10.1186/ar2366