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Table 1 Clinical characteristics of the DPP participants treated with metformin by racial/ethnic group

From: Differential response in levels of high-density lipoprotein cholesterol to one-year metformin treatment in prediabetic patients by race/ethnicity

  Whites African Americans Hispanics All
N 602 221 162 985
 Male 225 58 52 335
 Female 377 163 110 650
Age (years)     
 < 40 65 27 36 128
 40 – 49 203 79 56 338
 50 – 59 197 70 50 317
 > = 60 137 45 20 202
BMI (kg/m2)     
 < 30 181 87 45 313
 30 to < 36 227 71 63 361
 > = 36 194 63 54 311
Fasting plasma glucose (mg/dL) 107.05 ± 7.64 108.35 ± 8.00 106.49 ± 8.21 107.25 ± 7.84
Fasting plasma insulin (μIU/mL) 26.03 ± 14.92 28.93 ± 15.76 27.93 ± 12.62 26.99 ± 14.80
HbA1c (%) 5.80 ± 0.43 6.20 ± 0.58 5.89 ± 0.51 5.91 ± 0.51
  1. Data for levels of plasma glucose, insulin and HbA1c are presented as means ± SD
  2. BMI body mass index