Table 1.
Patient characteristics (total study population, n=764)
| Characteristic | |||
|---|---|---|---|
| Age (years) (n=763) | 65.9±10.7 | ||
| Age groups (n=763) | |||
| 30–39 | 7 (0.9) | ||
| 40–41 | 49 (6.4) | ||
| 50–59 | 145 (19.0) | ||
| 60–69 | 262 (34.3) | ||
| ≥70 | 300 (39.3) | ||
| Sex (n=763) | |||
| Male | 426 (55.8) | ||
| Female | 337 (44.2) | ||
| Ethnicity (n=518) | |||
| Western-European | 400 (77.2) | ||
| Dutch | 396 (76.4) | ||
| Other | 4 (0.8) | ||
| Other | 118 (22.8) | ||
| Surinamese | 59 (11.4) | ||
| Indonesian | 18 (3.5) | ||
| Moroccan | 14 (2.7) | ||
| Other | 27 (5.2) | ||
| Education (n=518) | |||
| Primary | 50 (9.7) | ||
| Secondary | 196 (37.8) | ||
| Higher | 272 (52.5) | ||
| Smoking (n=707) | |||
| Yes | 112 (15.8) | ||
| No | 595 (84.2) | ||
| Metabolic control (HbA1c) (n=715) | |||
| Good (≤53 mmol/mol) | 479 (67.0) | ||
| Moderate (54–63 mmol/mol) | 161 (22.5) | ||
| Poor (≥64 mmol/mol) | 75 (10.5) | ||
| Obesity (BMI ≥30 kg/m2) (n=729) | |||
| Yes | 287 (39.4) | ||
| No | 444 (60.7) | ||
| Hypertension (SBP ≥140 mmHg) (n=729) | |||
| Yes | 269 (36.9) | ||
| No | 460 (63.1) | ||
| Dyslipidemia (LDL >2.5 mmol/L) (n=690) | |||
| Yes | 300 (43.5) | ||
| No | 390 (56.5) | ||
| Kidney dysfunction (eGFR <60 mL/min/1.73m2) (n=682) | |||
| Yes | 142 (20.8) | ||
| No | 540 (79.2) | ||
| Retinopathy (n=450) | |||
| Yes | 18 (4.0) | ||
| No | 432 (96.0) | ||
| Diabetic foot risk (n=639) | |||
| None (Simm’s 0) | 457 (71.5) | ||
| Moderate (Simm’s 1) | 90 (14.1) | ||
| High (Simm’s 2) | 80 (12.5) | ||
| Very high (Simm’s 3) | 12 (1.9) | ||
Notes: For each parameter, the number of subjects with available data is provided. Data are presented as mean±SD or n (%). Note: When the n for a variable differs from the overall patient population, this is the result of missing data. Percentages represent only non-missing data.
Abbreviations: SPB, systolic blood pressure; LDL, low-density lipoprotein; eGFR, estimated glomerular filtration rate.