Table 1. Characteristics of participants by place of origin.
| Total | Primary Care Centre | Vascular Service | p | |
|---|---|---|---|---|
| Subjects (n) | 90 | 66 | 24 | |
| Gender (% male) | 62.2 | 56.1 | 79.2 | 0.005 |
| Age (years) | 70.4 ± 14.5 | 69.0 ± 15.9 | 74.1 ± 9.14 | 0.009 |
| Weight (kg) | 72.4 ± 15.0 | 71.5 ± 16.0 | 75.0 ± 10.9 | 0.111 |
| Body mass index (kg/m2) | 27.9 ± 4.68 | 27.6 ± 4.86 | 28.7 ± 4.03 | 0.200 |
| Abdominal circumference (cm) | 98.5 ± 13.7 | 96.9 ± 14.3 | 103.4 ± 10.3 | 0.007 |
| Waist-hip ratio | 0.97 ± 0.09 | 0.95 ± 0.09 | 1.00 ± 0.07 | < 0.001 |
| Heart rate | 69.4 ± 12.6 | 68.3 ± 12.0 | 72.7 ± 13.8 | 0.042 |
| Obesity, BMI ≥ 30 (%) | 30 | 29 | 33 | 0.615 |
| Hypertension (%) | 69 | 64 | 83 | 0.012 |
| Dyslipidemia (%) | 62 | 55 | 83 | < 0.001 |
| Smoking status (%) | 50 | 39 | 79 | < 0.001 |
| Diabetes (%) | 43 | 30 | 79 | < 0.001 |
| Peripheral Arterial Disease (%) | 23.3 | 12.1 | 54.2 | < 0.001 |
| Calcified legs (%) | 7.2 | 4.5 | 14.6 | 0.021 |
| Maximum Doppler ABI | ||||
| Total sample (n:180) | 1.07 ± 0.35 | 1.11 ± 0.27 | 0.99 ± 0.50 | 0.118 |
| Calcified legs excluded (n:167) | 1.00 ± 0.21 | 1.06 ± 0.16 | 0.82 ± 0.22 | < 0.001 |
| Oscillometric errors and calcified legs excluded (n:151) | 1.04 ± 0.16 | 1.09 ± 0.13 | 0.89 ± 0.18 | < 0.001 |
| Oscillometric ABI | ||||
| Total sample (n:180) | 0.92 ± 0.37 | 1.02 ± 0.30 | 0.65 ± 0.44 | < 0.001 |
| Calcified legs excluded (n:167) | 0.96 ± 0.34 | 1.04 ± 0.27 | 0.72 ± 0.41 | < 0.001 |
| Oscillometric errors and calcified legs excluded (n:151) | 1.06 ± 0.14 | 1.10 ± 0.10 | 0.92 ± 0.15 | < 0.001 |
Quantitative and qualitative variables are summarized as means ± standard deviations and percentages, respectively.