Table 1. Baseline characteristics of the study population by ULLA total severity score.
|
Total severity score |
|||||||
|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | P-value | |
| N | 36 | 86 | 89 | 27 | 63 | 19 | |
| Age, mean (s.d.) | 59 (10) | 69 (10) | 69 (9) | 72 (7) | 74 (8) | 74 (8) | <0.001 |
| Gender | <0.001 | ||||||
| F | 29 (81%) | 62 (72%) | 49 (55%) | 9 (33%) | 22 (35%) | 3 (16%) | |
| M | 7 (19%) | 24 (28%) | 40 (45%) | 18 (67%) | 41 (65%) | 16 (84%) | |
| Altered ABI | 2 (6%) | 7 (8%) | 10 (11%) | 7 (26%) | 34 (54%) | 19 (100%) | <0.001 |
| BMI, mean (s.d.) | 27.2 (5.1) | 27.3 (3.9) | 27.7 (4.9) | 28.9 (4.9) | 26.1 (3.5) | 25.8 (2.9) | 0.043 |
| Packs per year, median (IQR) | 3 (0, 11) | 0 (0, 8) | 15 (0, 30) | 11 (0, 36) | 23 (0, 38) | 45 (18, 60) | <0.001 |
| Smoking status | <0.001 | ||||||
| Never | 13 (36%) | 55 (64%) | 32 (36%) | 9 (33%) | 16 (25%) | 2 (11%) | |
| Former | 14 (39%) | 21 (24%) | 40 (45%) | 14 (52%) | 35 (56%) | 12 (63%) | |
| Active | 9 (25%) | 10 (12%) | 17 (19%) | 4 (15%) | 12 (19%) | 5 (26%) | |
| Hypertension | 15 (42%) | 53 (62%) | 65 (73%) | 19 (70%) | 55 (87%) | 15 (79%) | <0.001 |
| Diabetes | 3 (8%) | 24 (28%) | 26 (29%) | 15 (56%) | 31 (49%) | 6 (32%) | <0.001 |
| Dyslipidemia | 17 (47%) | 49 (57%) | 60 (67%) | 16 (59%) | 39 (62%) | 12 (63%) | 0.42 |
| CV family history | 28 (78%) | 67 (78%) | 75 (84%) | 16 (59%) | 50 (79%) | 16 (84%) | 0.15 |
| Sedentary lifestyle | 5 (14%) | 18 (21%) | 27 (30%) | 5 (19%) | 26 (41%) | 5 (26%) | 0.025 |
| CV events | 3 (8%) | 12 (14%) | 19 (21%) | 8 (30%) | 24 (38%) | 10 (53%) | <0.001 |
Abbreviations: ABI, ankle–brachial index; BMI, body mass index; CV, cardiovascular; ULLA, ultrasonographic lower limbs atherosclerosis.