Table 3. Demographic data and risk factors, comparison between groups.
| Variables | Diabetics* | Non diabetics | Total | P | |
|---|---|---|---|---|---|
| Sex | Male | 40 (26%) | 35 (22%) | 75 | 0.23 |
| Female | 49 (32%) | 29 (18%) | 78 | ||
| Ethnicity | Mixed race | 4 (2%) | 10 (6%) | 14 | 0.04 |
| Black | 6 (3%) | 2 (1%) | 8 | ||
| White | 79 (51%) | 52 (33%) | 131 | ||
| Smoking | Non-smoker | 34 (22%) | 11 (7%) | 45 | 0.01 |
| Smoker | 29 (18%) | 25 (16%) | 54 | ||
| Ex-smoker | 26 (16%) | 28 (17%) | 54 | ||
| Tobacco load (pack-years) | 40 | 38 | 0.70 | ||
| SAH | Not hypertensive | 13 (8%) | 15 (9%) | 28 | 0.2 |
| Hypertensive | 69 (45%) | 42 (27%) | 111 | ||
| Untreated hypertensive | 7 (4%) | 7 (4%) | 14 | ||
| Creatinine (mg/dL) | 1.07 | 1 | 0.39 | ||
| Urea (mg/dL) | 39 | 40 | 0.73 | ||
| HDL (mg/dL) | 40 | 45 | 0.001 | ||
| Total cholesterol (mg/dL) | 166 | 157 | 0.22 | ||
| Triglycerides (mg/dL) | 172 | 122 | 0.001 | ||
| Glycemia (mg/dL) | 173 | 93 | 0.001 | ||
| Age (years) | 66 | 68 | 0.5 | ||
| Cyanosis of limbs | 25 (16%) | 22 (14%) | 47 | 0.09 | |
| Edema of limbs | 17 (11%) | 7 (4%) | 24 | 0.07 | |
| Rutherford | 3 | 9 (5%) | 15 (9%) | 24 (15%) | 0.244 |
| 4 | 20 (13%) | 18 (11%) | 38 (26%) | ||
| 5 | 41 (26%) | 25 (16%) | 66 (43%) | 0.018 | |
| 6 | 19 (12%) | 6 (3%) | 25 (16%) | ||
| Total | 89 | 64 | 153 | 0.038 | |
| Gangrene of limbs | 10 (6%) | 1 (0.6%) | 11 | 0.01 | |
| Infection of limbs | 32 (20%) | 14 (9%) | 46 | 0.02 | |
| Ischemic ulcer | 48 (31%) | 28 (18%) | 76 | 0.06 | |
| Mixed ulcer | 14 (9%) | 5 (3%) | 19 | 0.07 | |
| Pain at rest | 37 (24%) | 34(22%) | 71 | 0.40 | |
| Stable angina | 2 (1%) | 0 | 2 | 0.22 | |
| Prior AMI | 18 (11%) | 6 (3%) | 24 | 0.03 | |
| Prior stroke | 12 (7%) | 2 (1%) | 14 | 0.02 | |
| Total | 89 (58%) | 64 (41%) | 153 |
AMI: acute myocardial infarction. * = p < 0.05.