Table 1—

Clinical characteristics in type 1 diabetic patients in the cross-sectional surveys

19972004P
Age (years)38.6 ± 13.0 (9,424)41.6 ± 13.5 (13,612)<0.001
Women/men (%)45.6/54.4 (9,424)45.5/54.5 (13,612)NS
Age of debut (years)15.4 ± 7.6 (9,424)15.5 ± 7.7 (13,612)NS
Duration (years)23.1 ± 13.4 (9,424)26.1 ± 14.1 (13,612)<0.01
A1C (%)8.16 ± 1.27 (9,424)7.96 ± 1.22 (13,612)<0.001
A1C <7.0% (%)17.4 (9,424)21.2 (13,612)<0.001
A1C <8.0% (%)49.1 (9,424)56.2 (13,612)<0.001
A1C <9.0% (%)76.7 (9,424)82.0 (13,612)<0.001
Systolic BP (mmHg)130.0 ± 17.6 (9,424)128.7 ± 16.8 (13,612)<0.001
Diastolic BP (mmHg)75.0 ± 9.0 (9,424)73.6 ± 9.0 (13,612)<0.001
BP <130/80 mmHg (%)35.2 (9,424)39.3 (13,612)<0.001
BP <140/85 mmHg (%)77.1 (9,424)80.6 (13,612)<0.001
Antihypertensive drugs (%)23.0 (9,424)33.9 (13,612)<0.001
    BP <130/80 mmHg (%)17.4 (2,170)20.0 (4,610)<0.01
    BP ≤140/85 mmHg (%)56.1 (2,170)62.6 (4,610)<0.001
Hypertension (%)42.4 (9,424)45.5 (13,612)<0.001
    Antihypertensive drugs (%)54.3 (3.997)74.4 (6,193)<0.001
    BP <130/80 mmHg (%)9.4 (3.997)14.9 (6,193)<0.001
BMI women (kg/m2)24.9 ± 3.9 (9,424)25.2 ± 4.3 (13,612)<0.001
BMI men (kg/m2)25.0 ± 3.2 (9,424)25.4 ± 3.4 (13,612)<0.001
BMI <25 kg/m2 (%)56.2 (9,424)52.3 (13,612)<0.001
BMI ≥30 kg/m2 (%)8.1 (9,424)10.5 (13,612)<0.001
Smokers, aged <30 years, women (%)15.4 (9,424)16.0 (13,612)NS
Smokers, aged <30 years, men (%)9.0 (9,424)9.3 (13,612)NS
Smokers, aged 30–59 years (%)17.0 (9,424)14.3 (13,612)<0.001
Smokers, aged >60 years (%)8.8 (9,424)9.0 (13,612)NS
20022004P
Total cholesterol (mmol/l)4.93 ± 0.91 (6,804)4.78 ± 0.89 (10,933)<0.001
Triglycerides (mmol/l)1.12 ± 0.58 (6,804)1.08 ± 0.57 (10,933)<0.01
HDL cholesterol (mmol/l)1.61 ± 0.47 (6,804)1.62 ± 0.50 (10,933)NS
LDL cholesterol (mmol/l)2.82 ± 0.80 (6,804)2.67 ± 0.78 (10,933)<0.001
Lipid-lowering drugs (%)20.5 (10,114)24.4 (13,091)<0.001
    Total cholesterol <5.0 (%)49.9 (1,474)58.8 (2,738)<0.001
    Total cholesterol <4.5 (%)27.7 (1,474)37.7 (2,738)<0.001
    Triglycerides <1.7 (%)75.9 (1,474)80.9 (2,738)<0.001
    HDL cholesterol ≥1.0 men/≥1.3 women (%)87.5 (1,474)87.8 (2,738)NS
    LDL cholesterol <2.5 (%)38.3 (1,474)48.1 (2,738)<0.001
ASA, all patients (%)11.9 (7,332)16.8 (11,980)<0.001
ASA, BP-treated patients (%)29.7 (2,320)39.1 (4,098)<0.001
ASA, lipid-treated patients (%)37.6 (1,445)46.3 (2,949)<0.001
Eye control last 2 years (%)88.8 (9,716)93.5 (12,713)<0.001
Foot control last year (%)89.7 (8,009)92.5 (11,895)<0.001
  • Data are means ± SD values (n) or frequencies (n). Significance levels were adjusted for age and sex. ASA, aspirin; BP, blood pressure.