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. 2015 Oct 16;21(6):10.18553/jmcp.2015.21.6.452. doi: 10.18553/jmcp.2015.21.6.452

TABLE 1.

Baseline Characteristics

Demographics DCCM Cohort (N = 303) Comparison Cohort (N = 394) P Value
Mean/n SD/% Mean/n SD/%
Age 57.43 13.00 59.94 13.44 0.005
  18-44 46 15.18 54 13.71 0.320
  45-64 176 58.09 191 48.48
  65+ 81 26.73 149 37.82
Male 159 52.48 219 55.58 0.494
Race
  White 162 53.47 277 70.30 < 0.001
  Black 10 3.30 2 0.51
  Other 117 38.61 71 18.02
  Unspecified 14 4.62 44 11.17
Baseline HbA1c
  Mean HbA1c (%) 10.31 1.89 8.44 1.75 < 0.001
  7-9% 89 29.37 290 73.60 < 0.001
  > 9% 214 70.63 104 26.40 < 0.001
Subsample: baseline HbA1c ≥ 8%
  Mean HbA1c (%) 10.64 0.10 9.91 0.13 < 0.001
  8-9% 57 21.03 67 39.18 < 0.001
  > 9% 214 78.97 104 60.82 < 0.001
Prior antidiabetic agents
  Metformin 242 79.87 286 72.59 0.021
  Sulphonylurea 193 63.70 187 47.46 < 0.001
  Thiazolidinedione 110 36.30 91 23.10 < 0.001
  Insulin 174 57.43 90 22.84 < 0.001
  DPP-4 18 5.94 31 7.87 0.346
  GLP-1 9 2.97 4 1.02 0.056
  Others 4 1.32 6 1.52 0.838
Prior antidiabetic classes
  0 and 1 76 25.08 171 43.40 < 0.001
  2 and 3 146 48.18 188 47.72
  4+ 81 26.73 35 8.88
Mean weight (kg) 95.35 25.16 99.31 26.18 0.073
Mean BMI (kg/m 2 ) 32.54 0.51 32.33 0.54 0.778
  < 25 28 9.09 35 8.80 0.891
  25-30 85 27.95 87 22.13
  30-35 84 27.61 102 25.87
  35-40 52 17.17 98 24.80
  40+ 55 18.18 72 18.40
Prior comorbidities
  Hypertension 216 71.29 263 66.75 0.219
  Dyslipidemia 112 36.96 57 14.47 < 0.001
  Chronic kidney disease 72 23.76 30 7.61 < 0.001
  Retinopathy 37 12.21 11 2.79 < 0.001
  Neuropathy 121 39.93 89 22.59 < 0.001
  Cardiovascular disease 40 13.20 11 2.79 < 0.001
  Stroke 17 5.61 4 1.02 < 0.001
  Coronary heart disease 97 32.01 77 19.54 < 0.001
  Myocardial infarction 14 4.62 9 2.28 0.082

BMI = body mass index; DCCM = diabetes collaborative care management; HbA1c = hemoglobin A1c; kg = kilogram; kg/m2 = kilogram per square meter; SD = standard deviation.