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Table 1 Baseline characteristics of patients included in the Dutch Pediatric and Adult Registry of Diabetes (DPARD)

From: DPARD: rationale, design and initial results from the Dutch national diabetes registry

  Total DM type 1 DM type 2 DM other/secondary Unclassified
  (n = 18,714) (n = 4175) (n = 5158) (n = 822) (n = 8559)
Age (years) 56.0 (5.0–98.0) 30.0 (5.0–95.0) 67.0 (14.0–98.0) 34.0 (5.0–82.0) 56.0 (5.0–97.0)
Male sex (%) 52.1 54.8 58.1 22.9 50.1
Diabetes duration (years) 15.0 (1.0–81.0) 15.0 (1.0–81.0) 18.0 (1.0–63.0) 3.0 (1.0–49.0) 15.0 (1.0–70.0)
Smoker (%) 10.0 7.3 12.6 4.5 10.2
 Non-smoker (%) 51.6 35.7 62.5 15.8 56.3
 Unknown (%) 38.4 57.0 24.9 79.7 33.5
BMI (kg/m2) 27.7 (12.9–50.0) 25.3 (16.2–44.1) 29.4 (15.1–49.8) 28.2 (13.8–40.7) 27.6 (12.9–50.0)
 < 20 (%) 3.1 2.5 0.6 1.3 5.0
 20–24 (%) 17.3 16.4 10.4 10.3 22.7
 25–29 (%) 24.1 16.5 26.3 15.8 27.2
 ≥ 30 (%) 23.4 4.6 30.1 12.1 29.7
 Unknown (%) 32.1 60.0 32.6 60.5 15.4
Systolic blood pressure (mmHg) 133.0 (65–250.0) 130.0 (65–215.0) 136.0 (71.0–250.0) 120.0 (84.0–208.0) 130.0 (72–200)
Diastolic blood pressure (mmHg) 76.0 (21.0–125.0) 75.0 (45.0–118.0) 77.0 (21.0–125.0) 72.0 (50.0–124.0) 80.0 (50.0–114.0)
eGFR (ml/min/1.73m2) 77.0 (2.0–100.0) 78.0 (4.0–100.0) 66.0 (4.0–100.0) 83.5 (31.0–100.0) 82.0 (2.0–100.0)
Urinary albumin (mg/l) 11.0 (0.0–9520.0) 7.0 (0.0–3903.0) 18.0 (0.0–9520.0) 15.0 (1.0–1091.0) 10.0 (2.0–5738.0)
HDL- cholesterol (mmol/l) 1.2 (0.2–9.9) 1.5 (0.4–4.0) 1.1 (0.2–4.7) 1.1 (0.5–3.7) 1.3 (0.2–9.9)
LDL-cholesterol (mmol/l) 2.4 (0.1–10.1) 2.6 (0.4–6.0) 2.3 (0.1–9.5) 2.6 (0.8–5.8) 2.3 (0.1–10.1)
HbA1c (mmol/mol) 60.0 (25.0–150.0) 61.0 (26.0–149.0) 63.0 (27.0–144.0) 44.0 (25.0–129.0) 59.0 (25.0–150.0)
 < 53 (%) 25.6 20.6 18.1 48.3 30.4
 < 64 (%) 55.2 56.2 46.0 59.6 59.9
 < 86 (%) 85.3 87.7 79.8 71.5 88.9
HbA1c (%) 7.6 (4.4–15.9) 7.7 (4.5–15.8) 7.9 (4.6–15.3) 6.2 (4.4–14.0) 7.5 (4.4–15.9)
  1. Numbers are stated as median (range) or percentage (%)