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Table 4 Total, between-, and within-patient variance in total cholesterol (TC), systolic blood pressure (SBP), and diastolic blood pressure (DBP) during follow-up

From: Variability over time and correlates of cholesterol and blood pressure in systemic lupus erythematosus: a longitudinal cohort study

  Total variance Between-patient variance Within-patient variance Variance between patients (%) Variance within patients (%)
TC (mmol/L) 1.9 0.97 0.91 51.8 48.2
SBP (mm Hg) 347.3 169.6 177.7 48.8 51.2
DBP (mm Hg) 119.2 43.1 76.1 36.1 63.9