Table 3.
Patients characteritics stratified by baPWV quartile
| Quartile [baPWV (cm/s)] | Q1 (800 to 1474) | Q2 (1485 to 1790) | Q3 (1795 to 2184) | Q4 (2186 to 5810) | P |
|---|---|---|---|---|---|
| PAD (%) | 18.3 | 14.1 | 22.5 | 46.5 | <0.0001 |
| Age (years) | 52.2 ± 13.6 | 58.9 ± 10.2 | 64.6 ± 9.1 | 69.8 ± 10.1a,b,c | <0.0001 |
| Female (%) | 33.8 | 35.2 | 31.0 | 39.4 | 0.3468 |
| HD vintage (years) | 11.4 ± 7.6 | 11.2 ± 8.0 | 9.1 ± 8.7 | 8.5 ± 7.4 | 0.0701 |
| Current smoking (%) | 46.4 | 41.4 | 44.3 | 38.0 | 0.7615 |
| Diabetes (%) | 15.5 | 22.5 | 35.2 | 52.1 | <0.0001 |
| Comorbidities (%) | |||||
| hypertension | 73.2 | 77.1 | 84.5 | 84.5 | 0.2444 |
| CAD | 12.7 | 18.3 | 15.5 | 40.9 | 0.0001 |
| stroke | 8.5 | 18.3 | 26.8 | 35.2 | 0.0010 |
| Hemoglobin (g/dl) | 10.5 ± 1.0 | 10.3 ± 0.9 | 10.2 ± 1.0 | 10.2 ± 0.9 | 0.3776 |
| Albumin (g/dl) | 4.0 ± 0.3 | 4.0 ± 0.3 | 3.8 ± 0.3a,b | 3.7 ± 0.4a,b | <0.0001 |
| Kt/V | 1.46 ± 0.27 | 1.50 ± 0.28 | 1.47 ± 0.28 | 1.41 ± 0.24 | 0.1958 |
| Adjusted Ca (mg/dl) | 9.0 ± 0.8 | 8.8 ± 0.7 | 8.9 ± 0.6 | 8.6 ± 0.7 | 0.0083 |
| P (mg/dl) | 5.8 ± 1.2 | 5.8 ± 1.1 | 5.8 ± 1.2 | 5.4 ± 1.2 | 0.1973 |
| iPTH (pg/ml) | 240.8 ± 174.8 | 234.4 ± 247.3 | 248.5 ± 205.5 | 190.3 ± 164.8 | 0.3346 |
| Tcho (mg/dl) | 152.0 ± 37.6 | 142.7 ± 24.8 | 145.8 ± 25.9 | 149.9 ± 23.2 | 0.2451 |
| HDL-cholesterol (mg/dl) | 46.4 ± 15.8 | 47.4 ± 13.3 | 42.9 ± 11.5 | 44.5 ± 14.1 | 0.2367 |
| LDL-cholesterol (mg/dl) | 80.7 ± 26.0 | 75.6 ± 21.1 | 79.4 ± 20.2 | 81.7 ± 20.9 | 0.4193 |
| TG (mg/dl) | 124.1 ± 110.6 | 97.4 ± 56.3 | 117.3 ± 93.6 | 118.9 ± 74.5 | 0.3100 |
| Medication (%) | |||||
| ACEI/ARB | 33.8 | 23.9 | 39.4 | 33.8 | 0.2601 |
| statin | 22.5 | 25.3 | 16.9 | 22.5 | 0.6666 |
| anti-platelet drugs | 66.2 | 71.3 | 77.5 | 81.7 | 0.1667 |
| Cut-off, ABI < 0.9 | |||||
| sensitivity (%) | 76.9 | 40.0 | 31.3 | 54.5 | 0.0489 |
| specificity (%) | 95.1 | 89.7 | 90.9 | 96.2 | 0.0031 |
Mean ± SD. For abbreviations, see Table 1.
a
P < 0.05 versus Q1.
b
P < 0.05 versus Q2.
c
P < 0.05 versus Q3.