Table 1 Demographics and clinical risk factors of the enrolled patients
Characteristics | All n = 56 | DSA score ≤ 7 n = 36 | DSA score > 7 n = 20 | p value |
|---|---|---|---|---|
Age (years) | 69 (64, 78) | 68 (63, 78) | 70 (64, 79) | 0.66 |
Sex | … | … | … | 0.35 |
 Men | 38 (68%) | 26 (72%) | 12 (60%) | … |
 Women | 18 (32%) | 10 (28%) | 8 (40%) | … |
Height (m) | 1.7 (1.6, 1.7) | 1.7 (1.6, 1.7) | 1.6 (1.6, 1.7) | 0.69 |
Weight (kg) | 68 ± 12 | 69 ± 10 | 65 ± 15 | 0.32 |
BMI (kg/m2) | 25.2 (22.2, 27.4) | 25.4 (22.3, 27.0) | 24.4 (20.6, 27.5) | 0.51 |
Coronary heart disease | … | … | … | 0.82 |
 Yes | 15 (27%) | 10 (28%) | 5 (25%) | … |
 No | 41 (73%) | 26 (72%) | 15 (75%) | … |
Hypertension | … | … | … | 0.10 |
 Yes | 41 (73%) | 29 (81%) | 12 (60%) | … |
 No | 15 (27%) | 7 (19%) | 8 (40%) | … |
Diabetes | … | … | … | 0.97 |
 Yes | 31 (55%) | 20 (56%) | 11 (55%) | … |
 No | 25 (45%) | 16 (44%) | 9 (45%) | … |
Hyperlipidemia | … | … | … | 0.69 |
 Yes | 7 (13%) | 4 (11%) | 3 (15%) | … |
 No | 49 (87%) | 32 (89%) | 17 (85%) | … |
Smoking history | … | … | … | 0.09 |
 Yes | 31 (55%) | 23 (64%) | 8 (40%) | … |
 No | 25 (45%) | 13 (36%) | 12 (60%) | … |
Alcohol consumption | … | … | … | 0.39 |
 Yes | 18 (32%) | 13 (36%) | 5 (25%) | … |
 No | 38 (68%) | 23 (64%) | 15 (75%) | … |
Fontaine stagea | … | … | … | < 0.001 |
 Stage 1 | 0 (0%) | 0 (0%) | 0 (0%) | … |
 Stage 2 | 39 (70%) | 31 (86%) | 8 (40%) | … |
 Stage 3 | 5 (9%) | 1 (3%) | 4 (20%) | … |
 Stage 4 | 8 (14%) | 1 (3%) | 7 (35%) | … |
 Unknown | 4 (7%) | 3 (8%) | 1 (5%) | … |