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Table 1 Patient characteristics* of all VHA patients with diabetes and the study sample.

From: Patient complexity in quality comparisons for glycemic control: An observational study

Patient characteristic Veterans with diabetes Study sample
N 552,128 118,167
Age in years, mean ± SD 64.2 ± 11.1 64.1 ± 11.1
Married, % 61.9 62.7
Diabetes treatment, %   
   No VHA meds 3.3 3.2
   Oral agents only 57.7 57.9
   Insulin only 21.9 22.7
   Insulin + oral agent(s) 17.2 16.2
Comorbidity score ± SD 3.4 ± 2.6 5.1 ± 3.0
  1. *p-values not shown due to large sample and small differences reaching statistical significance. 98% of the sample was male.