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Table 1 Patient characteristics

From: Clinical action measures improve the reliability of feedback on quality of care in diabetes centres: a retrospective cohort study

Measurement period 2009–2011
 Months 27
 Patients 3421
Patient characteristics
 Diabetes type Type 1   Type 2  
(value) (n) (value) (n)
 Number of patients   1234   2187
 Age (years), mean (95 % CI) 49 (48–50)   70 (69–70)  
 Diabetes duration (years), mean (95 % CI) 21 (20–22) −12 17 (17–18) −111
 Male, % 60   48  
 Hba1c (%), mean (95 % CI) 7.9 (7.8–8.0) −2 7.5 (7.4–7.5) −13
 Systolic blood pressure (mm Hg), mean (95 % CI) 128 (127–129) −8 135 (135–136) −20
 Diastolic blood pressure (mm Hg), mean (95 % CI) 74 (74–75) −8 74 (74–75) −20
 Total cholesterol (mg/dl), mean (95 % CI) 178.7 (176.8–180.6)   164.6 (163.1–166.1)  
 non-HDL cholesterol (mg/dl), mean (95 % CI) 114.2 (112.5–116.0)   114.2 (112.8–115.6)  
 LDL cholesterol (mg/dl), mean (95 % CI) 93.3 (91.7–94.8) −666 84.1 (82.9–85.3) −1082
 CV-hist1, % 5.6   25.3 −4
 CV-hist2, % 7.3   31.1  
 CV-hist3, % 9.6 −113 36.6 −157
 Microvascular complication, % 54.1 −224 74.9 −333
  1. Patient characteristics at the end of the measurement period of the type 1 diabetes and type 2 diabetes patients from the non-HDL cholesterol cohort. Values are represented as means with their 95 % confidence interval (95 % CI), or as percentage (%). The negative values indicate the number of incomplete records that were not taken into account for the calculation. CV-hist1 is defined as a history of MI, CABG or PCI. CV-hist2 is defined as a history of MI, CABG, PCI, TIA or CVA. CV-hist3 is defined as a history of MI, CABG, PCI, TIA, CVA, peripheral bypass, or the absence of foot pulses. Microvascular complication is defined as any of the following: albuminuria ≥30 mg/dl, creatinine ≥1.5 mg/dl, dialysis or kidney transplantation, retinopathy, neuropathy, and foot ulcer or amputation