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. 2012 Sep 4;7(9):e44569. doi: 10.1371/journal.pone.0044569

Table 1. Baseline characteristics of the ET2DS population.

Variable Mean ± SD, median (quartile range) or n (%)
Age (years) 67.9±4.2
Male sex (%) 547 (51.3)
Duration of diabetes (years) 6 (3–11)
Treatment of diabetes with insulin +/− tablets 186 (17)
Treatment with tablets alone 679 (64)
Treatment with dietary change alone 200 (19)
HbA1c (%) 7.4±1.1
Fasting plasma glucose (mmol/L) 7.6±2.1
Systolic BP (mmHg) 133±16
Diastolic BP (mmHg) 69±9
Myocardial infarction 150 (14)
Angina 298 (28)
Stroke 62 (6)
ABI 0.98±0.21
BMI (kg/m2) 31.4±5.7
Total cholesterol (mmol/L) 4.3±0.9
Smoking (current) (%) 153 (14.4)
NT-proBNP (pg/ml) 75 (37–169)
Hospital Anxiety and Depression Questionnaire (HADS): Depression score 3 (1–6)
HADS depression score ≥8 78 (7.3)
Mini-Mental State Examination <24/30 (%) 30 (2.9)
Trail-Making Test B 104 (81–138)
Matrix Reasoning 12.8±5.3
Digit Symbol Coding 49.2±14.8
Verbal Fluency Test 36.9±12.8
Letter Number Sequencing 9.7±2.8
Faces 65.8±7.9
Logical Memory 25.2±8.2
g 0.00±1.00
Mill Hill Vocabulary Scale 30.9±5.2

Mean ± SD is given for normally distributed variables.

Median (quartile range) is given for non-normally distributed variables.