Table 3. Comparison of the clinical characteristics of patients with ABI 0.91 to 1.40 vs. ABI ≤0.90 among the patients diagnosed with PAD by color Doppler ultrasonography (n=93).
| Variable | ABI | ||
|---|---|---|---|
| 0.91–1.40 | ≤0.90 | P value | |
| No. of patients | 77 (82.8) | 16 (17.2) | |
| Age, yr | 65.2±7.0 | 68.6±8.0 | 0.084 |
| Male sex | 51 (66.2) | 12 (75.0) | 0.495 |
| BMI, kg/m2 | 24.0±2.7 | 23.1±2.5 | 0.204 |
| Waist circumference, cm | 84.9±7.2 | 82.9±4.8 | 0.324 |
| Systolic BP, mm Hg | 144.1±21.7 | 149.8±17.3 | 0.329 |
| Diastolic BP, mmHg | 81.1±11.1 | 85.8±12.3 | 0.163 |
| DM duration, yr | 12.4±8.0 | 18.9±8.5 | 0.004 |
| Current smoker | 18 (23.4) | 3 (18.8) | 0.687 |
| Use of insulin | 15 (19.5) | 7 (43.8) | 0.038 |
| Use of statins | 12 (15.6) | 5 (31.3) | 0.140 |
| Use of anti-hypertensive drugs | 27 (35.1) | 7 (43.8) | 0.512 |
| HbA1c, % | 8.4±1.6 | 9.1±1.9 | 0.099 |
| Fasting glucose, mg/dL | 156.3±53.9 | 185.8±79.6 | 0.071 |
| Total cholesterol, mg/dL | 193.6±40.2 | 196.7±31.6 | 0.776 |
| Triglycerides, mg/dL | 137.4±55.7 | 129.2±42.0 | 0.581 |
| HDL-C, mg/dL | 48.4±14.0 | 45.9±13.3 | 0.511 |
| LDL-C, mg/dL | 117.6±33.0 | 125.5±30.2 | 0.428 |
| Leg symptoms (typical+atypical) | 37 (48.1) | 12 (75.0) | 0.044 |
| Mean CIMT, mm | 1.02±0.27 | 1.10±0.24 | 0.247 |
Values are presented as number (%) or mean±standard deviation.
ABI, ankle-brachial index; PAD, peripheral artery disease; BMI, body mass index; BP, blood pressure; DM; diabetes mellitus; HbA1c, glycosylated hemoglobin; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol; CIMT, carotid intima-media thickness.