Table 1.
Clinical and demographic characteristics of hemodialysis (HD) and peritoneal dialysis (PD) patients (n = 484)
| Variables | Total (n=484) | HD group (n=380) | PD group (n=104) | P-value |
|---|---|---|---|---|
| Age (years)1 |
57.91±13.64 |
60.39±12.81 |
48.87±12.76 |
<0.001* |
| Gender, n (%)2 |
|
|
|
0.131 |
| Male |
213 (44.0) |
174 (45.8) |
39 (37.5) |
|
| Female |
271 (56.0) |
206 (54.2) |
65 (62.5) |
|
| BMI (kg/m2)1 |
22.49±3.43 |
22.44±3.34 |
22.67±3.77 |
0.533 |
| Duration of Dialysis (months)3 |
48 (26, 88) |
55 (31, 94) |
36 (14, 57) |
<0.001* |
| DM, n (%)2 |
158 (32.6) |
139 (36.6) |
19 (18.3) |
<0.001* |
| HT, n (%)2 |
356 (73.6) |
280 (73.7) |
76 (73.1) |
0.901 |
| Hyperlipidemia, n (%)2 |
199 (41.1) |
149 (39.2) |
50 (48.1) |
0.103 |
| Smoking, n (%)2 |
124 (25.6) |
109 (28.7) |
15 (14.4) |
0.003* |
| PAD, n (%)2 |
|
|
|
<0.001* |
| Non |
396 (81.8) |
297 (78.2) |
99 (95.2) |
|
| PAD-one |
47 (9.7) |
45 (11.8) |
2 (1.9) |
|
| PAD-two |
41 (8.5) |
38 (10.0) |
3 (2.9) |
|
| Daugirdes Kt/V per dialysis session1 |
1.90±0.40 |
1.81±0.35 |
2.22±0.41 |
<0.001* |
| Hct (%)1 |
30.10±4.36 |
30.37±4.12 |
29.13±5.04 |
0.023* |
| TCO2 (mmol/L)1 |
23.54±2.87 |
22.71±2.32 |
26.60±2.60 |
<0.001* |
| Albumin (g /dL)1 |
3.94±0.38 |
3.97±0.37 |
3.80±0.39 |
<0.001* |
| i-PTH (pg/ mL)3 |
284.8 (163.4, 480.7) |
281.7 (166.2, 468.9) |
328.9 (160.7, 512.0) |
0.541 |
| Ferritin (ng/ mL)3 |
573.0 (364.0, 761.7) |
632.8 (487.5, 799.6) |
330.7 (173.1, 482.1) |
<0.001* |
| Cholesterol (mg/dL)3 |
183 (154, 209) |
179 (151, 205) |
190 (172, 213) |
0.012* |
| TG (mg/ dL)3 |
125 (82, 195) |
124 (82, 194) |
130 (82, 232) |
0.372 |
| Fasting blood sugar (mg/dL)3 |
95 (83, 117) |
90 (81, 117) |
104 (95, 116) |
<0.001* |
| Cr (mg/dL)1,4 |
11.01±2.77 |
10.61±2.44 |
12.44±3.40 |
<0.001* |
| Uric Acid (mg/dL)1 |
7.23±1.30 |
7.35±1.31 |
6.80±1.15 |
<0.001* |
| Ca (mg/dL)1 |
9.07±0.83 |
8.97±0.79 |
9.44±0.87 |
<0.001* |
| P (mg/dL)1 |
5.41±1.38 |
5.32±1.37 |
5.73±1.36 |
0.006* |
| Ca×P (mg/dL)1 | 49.16±13.64 | 47.78±13.26 | 54.15±13.90 | <0.001* |
* significant difference between groups (p<0.05).
P-values were calculated by: 1Independent two sample t-test (mean ± SD); 2Chi-square test (number [percentage]); 3Mann-Whitney U test (median [IQR]); 4Cr was measured pre-dialysis.