Clinical characteristics by duration of diabetes in 13,612 type 1 diabetic patients in the cross-sectional survey 2004
| . | Total n . | Duration of diabetes . | . | . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| . | . | 0–9 years . | 10–19 years . | 20–29 years . | 30–39 years . | >40 years . | ||||
| n | 1,685 | 3,127 | 3,530 | 2,752 | 2,518 | |||||
| Age of debut (years) | 21.6 ± 5.0 | 16.9 ± 7.2 | 14.9 ± 7.7 | 14.2 ± 7.7 | 12.2 ± 7.0* | |||||
| Age (years) | 26.9 ± 5.0 | 31.6 ± 7.2 | 39.1 ± 8.3 | 48.3 ± 8.2 | 60.0 ± 8.5* | |||||
| Men (%) | 58.9 | 55.2 | 55.4 | 53.5 | 50.8* | |||||
| A1C (%) | 7.66 ± 1.43 | 8.02 ± 1.27 | 8.05 ± 1.19 | 8.04 ± 1.14 | 7.88 ± 1.08* | |||||
| A1C <7.0% (%) | 35.9 | 20.6 | 18.5 | 17.0 | 20.7* | |||||
| Systolic BP (mmHg) | 119.7 ± 11.8 | 122.1 ± 13.3 | 127.2 ± 15.7 | 133.5 ± 16.9 | 139.8 ± 17.2* | |||||
| Diastolic BP (mmHg) | 72.0 ± 8.7 | 73.9 ± 8.7 | 75.0 ± 9.1 | 74.4 ± 8.8 | 71.5 ± 9.1* | |||||
| Pulse pressure (mmHg) | 47.6 ± 10.7 | 48.2 ± 10.9 | 52.1 ± 12.9 | 59.1 ± 15.1 | 68.3 ± 16.2* | |||||
| BP <130/80 mmHg (%) | 60.2 | 52.0 | 40.5 | 29.0 | 19.1* | |||||
| Antihypertensives (%) | 4.4 | 10.8 | 31.0 | 52.0 | 66.5* | |||||
| Hypertension (%) | 12.8 | 20.2 | 41.8 | 65.8 | 81.9* | |||||
| BMI (kg/m2) | 24.8 ± 4.3 | 25.4 ± 3.8 | 25.5 ± 3.7 | 25.4 ± 3.9 | 25.0 ± 3.8* | |||||
| Total cholesterol (mmol/l) | 11,855 | 4.49 ± 0.89 | 4.67 ± 0.91 | 4.80 ± 0.91 | 4.93 ± 0.92 | 4.91 ± 0.88* | ||||
| Triglycerides (mmol/l) | 11,358 | 1.12 ± 1.01 | 1.12 ± 0.90 | 1.11 ± 0.71 | 1.15 ± 0.78 | 1.13 ± 0.66† | ||||
| HDL cholesterol (mmol/l) | 11,219 | 1.47 ± 0.46 | 1.53 ± 0.45 | 1.61 ± 0.47 | 1.68 ± 0.53 | 1.74 ± 0.53* | ||||
| LDL cholesterol (mmol/l) | 10,993 | 2.53 ± 0.76 | 2.64 ± 0.80 | 2.71 ± 0.78 | 2.74 ± 0.79 | 2.68 ± 0.76* | ||||
| Lipid-lowering drugs (%) | 13,091 | 3.0 | 8.5 | 20.9 | 36.2 | 50.8* | ||||
| Smokers (%) | 10,832 | 12.8 | 14.2 | 13.4 | 14.3 | 11.1‡ | ||||
| ASA (%) | 11,980 | 0.7 | 2.6 | 10.0 | 25.4 | 44.4* | ||||
| . | Total n . | Duration of diabetes . | . | . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| . | . | 0–9 years . | 10–19 years . | 20–29 years . | 30–39 years . | >40 years . | ||||
| n | 1,685 | 3,127 | 3,530 | 2,752 | 2,518 | |||||
| Age of debut (years) | 21.6 ± 5.0 | 16.9 ± 7.2 | 14.9 ± 7.7 | 14.2 ± 7.7 | 12.2 ± 7.0* | |||||
| Age (years) | 26.9 ± 5.0 | 31.6 ± 7.2 | 39.1 ± 8.3 | 48.3 ± 8.2 | 60.0 ± 8.5* | |||||
| Men (%) | 58.9 | 55.2 | 55.4 | 53.5 | 50.8* | |||||
| A1C (%) | 7.66 ± 1.43 | 8.02 ± 1.27 | 8.05 ± 1.19 | 8.04 ± 1.14 | 7.88 ± 1.08* | |||||
| A1C <7.0% (%) | 35.9 | 20.6 | 18.5 | 17.0 | 20.7* | |||||
| Systolic BP (mmHg) | 119.7 ± 11.8 | 122.1 ± 13.3 | 127.2 ± 15.7 | 133.5 ± 16.9 | 139.8 ± 17.2* | |||||
| Diastolic BP (mmHg) | 72.0 ± 8.7 | 73.9 ± 8.7 | 75.0 ± 9.1 | 74.4 ± 8.8 | 71.5 ± 9.1* | |||||
| Pulse pressure (mmHg) | 47.6 ± 10.7 | 48.2 ± 10.9 | 52.1 ± 12.9 | 59.1 ± 15.1 | 68.3 ± 16.2* | |||||
| BP <130/80 mmHg (%) | 60.2 | 52.0 | 40.5 | 29.0 | 19.1* | |||||
| Antihypertensives (%) | 4.4 | 10.8 | 31.0 | 52.0 | 66.5* | |||||
| Hypertension (%) | 12.8 | 20.2 | 41.8 | 65.8 | 81.9* | |||||
| BMI (kg/m2) | 24.8 ± 4.3 | 25.4 ± 3.8 | 25.5 ± 3.7 | 25.4 ± 3.9 | 25.0 ± 3.8* | |||||
| Total cholesterol (mmol/l) | 11,855 | 4.49 ± 0.89 | 4.67 ± 0.91 | 4.80 ± 0.91 | 4.93 ± 0.92 | 4.91 ± 0.88* | ||||
| Triglycerides (mmol/l) | 11,358 | 1.12 ± 1.01 | 1.12 ± 0.90 | 1.11 ± 0.71 | 1.15 ± 0.78 | 1.13 ± 0.66† | ||||
| HDL cholesterol (mmol/l) | 11,219 | 1.47 ± 0.46 | 1.53 ± 0.45 | 1.61 ± 0.47 | 1.68 ± 0.53 | 1.74 ± 0.53* | ||||
| LDL cholesterol (mmol/l) | 10,993 | 2.53 ± 0.76 | 2.64 ± 0.80 | 2.71 ± 0.78 | 2.74 ± 0.79 | 2.68 ± 0.76* | ||||
| Lipid-lowering drugs (%) | 13,091 | 3.0 | 8.5 | 20.9 | 36.2 | 50.8* | ||||
| Smokers (%) | 10,832 | 12.8 | 14.2 | 13.4 | 14.3 | 11.1‡ | ||||
| ASA (%) | 11,980 | 0.7 | 2.6 | 10.0 | 25.4 | 44.4* | ||||
Data are mean values ± SD and frequencies. Significance levels for trend of mean values (ANOVA) or frequencies (χ2 test):
P < 0.001;
P > 0.05 (NS);
P < 0.05. ASA, aspirin; BP, blood pressure.