Table 4 Baseline characteristics of patients stratified by tertiles of change of hs-CRP
Variables | Change of hs-CRP (mg/L per year)a | P trend | ||
|---|---|---|---|---|
Tertile 1 ≦ −0.03 (n = 327) | Tertile 2 −0.02-0.12 (n = 328) | Tertile 3 ≧0.13 (n = 328) | ||
Baseline hs-CRP (mg/L) | 3.7 (1.3,9.4) | 2.1(0.7,8.3) | 0.9 (0.4,2.2) | <0.001 |
Age (year) | 46.8 ± 14.7 | 48.8 ± 14.8 | 46.8 ± 15.0 | 0.994 |
Female (%) | 129(39.4) | 128(39.0) | 143(43.6) | 0.420 |
BMI (kg/m2) | 21.7 ± 3.1 | 21.7 ± 3.1 | 21. ± 3.1 | 0.980 |
MAP (mmHg) | 101.2 ± 15.4 | 100.8 ± 14.0 | 103.0 ± 14.3 | 0.124 |
Etiology of ESRD (%) | 0.464 | |||
 Chronic glomerulonephritis | 202(61.8) | 189(57.6) | 203(61.9) | |
 Hypertensive nephropathy | 25(7.6) | 26(7.9) | 24(7.3) | |
 Diabetic nephropathy | 67(20.5) | 83(25.3) | 77(23.5) | |
 Other | 33(10.1) | 30(9.1) | 24(7.3) | |
History of CVD (%) | 133(40.7) | 126(38.4) | 129(39.3) | 0.838 |
DM (%) | 78(23.9) | 92(28.0) | 87(26.5) | 0.466 |
HGB (g/L) | 107.1 ± 19.0 | 109.6 ± 20.0 | 109.5 ± 20.4 | 0.120 |
ALB (g/L) | 37.7 ± 4.6 | 38.4 ± 4.5 | 37.7 ± 4.6 | 0.988 |
Prealbumin (mg/L) | 335.7 ± 97.9 | 346.6 ± 101.8 | 360.7 ± 93.5 | 0.001 |
UA (μmol/L) | 422.1 ± 91.1 | 420.6 ± 86.1 | 404.6 ± 82.5 | 0.010 |
Calcium (mmol/L) | 2.3 ± 0.2 | 2.3 ± 0.2 | 2.3 ± 0.2 | 0.511 |
Phosphorus (mmol/L) | 1.4 ± 0.4 | 1.4 ± 0.4 | 1.4 ± 0.4 | 0.950 |
iPTH (pg/mL) | 214.6(106.3391.3) | 202.4 (84.7389.1) | 243.3(99.6407.2) | 0.426 |
TCHOL (mmol/L) | 5.0 (4.1,5.8) | 5.1 (4.4,5.9) | 5.2(4.4,5.9) | 0.333 |
TG (mmol/L) | 1.5(1.0,2.1) | 1.5(1.1,2.1) | 1.4(1.0,2.0) | 0.538 |
HDL-C (mmol/L) | 1.2(0.9,1.4) | 1.2 (1.0,1.5) | 1.2(1.0,1.5) | 0.004 |
LDL-C (mmol/L) | 2.9 (2.3,3.5) | 3.0(2.4,3.6) | 2.9(2.4,3.5) | 0.907 |
rGFR (ml/min/1.73 m2) | 3.6 ± 2.6 | 4.2 ± 3.3 | 3.7 ± 2.6 | 0.559 |