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Table 2 Number, frequency, and values of total cholesterol (TC), systolic blood pressure (SBP), and diastolic blood pressure (DBP) measurements

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

  Mean ± SD Min, Max Median
Number of measurements per patient 20.8 ± 20.8 2, 124 14
Time interval between visits (months) 5.6 ± 9.7 0.13, 338.3 3.7
Time from study start to end (years) 9.3 ± 8.5 0.1, 35.0 6.5
TC at start of study (mmol/L) 5.2 ± 1.7 1.1, 16.1 4.9
SBP at start of study (mm Hg) 123 ± 19.2 80, 220 120
DBP at start of study (mm Hg) 77.2 ± 12.0 55, 180 80
  1. SD, standard deviation; Min, Max, minimum and maximum.