Table 1.
Baseline characteristics of participants
| Variables | All (n = 217) | Alived (n = 180) | Deceased (n = 37) | P |
|---|---|---|---|---|
| Age (y) |
60 ± 16 |
57 ± 15 |
72 ± 10 |
<0.001 |
| Male (%) |
49.8 |
47.8 |
59.5 |
0.20 |
| Cardiovascular disease (%) |
12.9 |
12.2 |
16.2 |
0.51 |
| Cerebral vascular disease (%) |
7.4 |
6.1 |
13.5 |
0.12 |
| History of hypertension (%) |
88.5 |
90.5 |
81.1 |
0.10 |
| Diabetes mellitus (%) |
27.6 |
24.4 |
43.2 |
0.02 |
| Dialysis vintage (m) |
46 ± 41 |
46 ± 41 |
47 ± 43 |
0.89 |
| Hyperlipidemia (%) |
57.1 |
58.1 |
54.1 |
0.65 |
| SBP (mm Hg) |
144.7 ± 19.3 |
144.5 ± 18.8 |
145.2 ± 21.7 |
0.86 |
| DBP (mm Hg) |
76.1 ± 11.4 |
77.3 ± 11.0 |
70.4 ± 11.5 |
0.001 |
| PP (mm Hg) |
68.5 ± 17.3 |
67.2 ± 17.0 |
74.8 ± 17.8 |
0.02 |
| Calcium (mmol/L) |
2.22 ± 0.23 |
2.21 ± 0.23 |
2.26 ± 0.25 |
0.25 |
| <2.10 (%) |
31.5 |
32.4 |
27.0 |
|
| 2.10-2.37 (%) |
46.8 |
47.5 |
43.2 |
|
| >2.37 (%) |
21.8 |
20.1 |
29.7 |
0.43 |
| Phosphorus (mmol/L) |
1.81 ± 0.59 |
1.81 ± 0.57 |
1.78 ± 0.64 |
0.78 |
| <1.13 mmol/L (%) |
10.2 |
8.4 |
18.9 |
|
| 1.13-1.78 mmol/L (%) |
44.4 |
45.8 |
37.8 |
|
| >1.78 mmol/L (%) |
45.4 |
45.8 |
43.2 |
0.15 |
| PTH (pg/ml) |
286(174–598) |
301(185–603) |
227.0(107–516) |
0.20 |
| <150 (%) |
20.8 |
19.0 |
29.7 |
|
| 150-300 (%) |
30.1 |
30.7 |
27.0 |
|
| >300 (%) |
49.1 |
50.3 |
43.2 |
0.34 |
| ALP (U/L) |
103.72 ± 58.35 |
101.85 ± 57.76 |
112.81 ± 61.13 |
0.30 |
| Albumin (g/L) |
40.0 ± 3.1 |
40.3 ± 2.8 |
38.3 ± 3.9 |
0.01 |
| Kt/V |
1.34 ± 0.34 |
1.36 ± 0.35 |
1.20 ± 0.22 |
0.01 |
| Hb (g/L) |
105.94 ± 20.81 |
105.68 ± 22.06 |
104.35 ± 21.82 |
0.74 |
| Calcification score |
2(0–3) |
1(0–3) |
4(2–6) |
<0.001 |
| Aorta calcification (%) |
63.1 |
57.8 |
89.2 |
<0.001 |
| Iliac artery calcification (%) |
34.1 |
28.9 |
59.5 |
<0.001 |
| Femoral artery calcification (%) |
16.6 |
12.2 |
37.8 |
<0.001 |
| Digital artery calcification (%) |
7.8 |
5.6 |
18.9 |
0.01 |
| Radial artery calcification (%) | 19.8 | 17.8 | 29.7 | 0.10 |
Abbreviations: SBP Systolic blood pressure, DBP Diastolic blood pressure, PP Pulse pressure, PTH Parathyroid hormone, ALP Alkaline phosphatase, Hb Hemoglobin.