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. 2017 Sep 14;12(9):e0184424. doi: 10.1371/journal.pone.0184424

Table 4. Baseline characteristics after propensity score matching between PS and other groups.

CTA PS P value EVAL PS P value PAN PS P value PEPA PS P value PES PS P value PMMA PS P value
n (%) 10,592 10,592 571 571 764 764 4,683 4,683 7,480 7,480 3,835 3,835
Age (years) 67 ± 12 67 ± 12 0.539 70 ± 11 70 ± 11 0.689 66 ± 12 66 ± 12 0.283 66 ± 12 66 ± 12 0.283 62 ± 12 62 ± 12 0.835 68 ± 11 68 ± 11 0.081
Sex (% Female) 38.0 37.4 0.356 53.4 52 0.635 40.9 41.6 0.426 40.9 41.6 0.426 35.8 35.3 0.528 42.6 42.9 0.764
HD duration (years) 6 [3–10] 6 [3–10] 0.364 5 [3–10] 5 [3–9] 0.426 6 [4–11] 6 [4–11] 0.978 6 [4–11] 6 [4–11] 0.978 7 [4–12] 7 [4–12] 0.531 6 [3–11] 6 [4–11] 0.456
Presence of DM 37.2 36.5 0.339 36.4 36.6 0.859 32.4 32.2 0.859 32.4 32.2 0.859 29.0 28.6 0.563 33.0 33.0 1.00
Comorbidity of CVD 27.6 27.1 0.405 30.6 31.0 0.898 24.1 23.6 0.577 24.1 23.6 0.577 22.8 23.3 0.393 29.7 29.7 0.942
BMI (kg/m2) 21.1 ± 3.6 21.1 ± 3.5 0.355 20.2 ± 3.4 20.1 ± 3.5 0.682 20.8 ± 3.3 20.8 ± 3.3 0.487 20.8 ± 3.3 20.8 ± 3.3 0.487 21.4 ± 3.5 21.4 ± 3.6 0.442 20.5 ± 3.2 20.6 ± 3.3 0.859
Hb (g/dL) 10.5 ± 1.2 10.5 ± 1.2 0.469 10.3 ± 1.2 10.3 ± 1.6 0.946 10.4 ± 1.3 10.4 ± 1.2 0.919 10.4 ± 1.3 10.4 ± 1.2 0.919 10.5 ± 1.2 10.5 ± 1.2 0.712 10.2 ± 1.2 10.3 ± 1.2 0.142
Alb (g/dL) 3.6 ± 0.4 3.6 ± 0.5 0.072 3.5 ± 0.4 3.5 ± 0.5 0.885 3.6 ± 0.4 3.6 ± 0.4 0.247 3.6 ± 0.4 3.6 ± 0.4 0.247 3.8 ± 0.4 3.8 ± 0.4 0.502 3.6 ± 0.4 3.6 ± 0.4 0.691
TC (mg/dL) 155 ± 35 155 ± 36 0.230 158 ± 39 159 ± 39 0.845 157 ± 36 157 ± 36 0.485 157 ± 36 157 ± 36 0.485 153 ± 33 153 ± 34 0.367 162 ± 37 163 ± 38 0.183
Ca (mg/dL) 9.0 ± 0.8 9.0 ± 0.8 0.068 8.9 ± 0.8 8.9 ± 0.8 0.517 9.0 ± 0.8 9.0 ± 0.8 0.517 9.0 ± 0.8 9.0 ± 0.8 0.517 9.1 ± 0.8 9.1 ± 0.8 0.528 8.9 ± 0.8 8.9 ± 0.8 0.604
P (mg/dL) 5.3 ± 1.4 5.3 ± 1.4 0.053 5.0 ± 1.4 5.0 ± 1.4 0.864 5.3 ± 1.4 5.3 ± 1.4 0.641 5.3 ± 1.4 5.3 ± 1.4 0.641 5.4 ± 1.5 5.4 ± 1.5 0.801 5.2 ± 1.4 5.2 ± 1.4 0.562
β2M (mg/L) 27.8 ± 7.0 27.9 ± 6.8 0.414 29.6 ± 7.7 29.4 ± 8.4 0.731 27.2 ± 6.5 27.0 ± 6.3 0.197 27.2 ± 6.5 27.0 ± 6.3 0.197 27.2 ± 6.4 27.2 ± 6.2 0.961 29.3 ± 6.9 29.4 ± 7.2 0.574
CRP (mg/dL) 0.13 [0.05–0.40] 0.12 [0.06–0.38] 0.530 0.13 [0.05–0.43] 0.16 [0.06–0.47] 0.583 0.11 [0.05–0.35] 0.11 [0.05–0.32] 0.583 0.11 [0.05–0.35] 0.11 [0.05–0.32] 0.583 0.11 [0.05–0.30] 0.11 [0.05–0.34] 0.365 0.12 [0.06–0.40] 0.14 [0.06–0.41] 0.691
Kt/V 1.43 ± 0.27 1.43 ± 0.29 0.191 1.34 ± 0.28 1.33 ± 0.27 0.501 1.44 ± 0.27 1.45 ± 0.29 0.501 1.44 ± 0.27 1.45 ± 0.29 0.501 1.47 ± 0.29 1.47 ± 0.29 0.946 1.40 ± 0.27 1.40 ± 0.27 0.832
nPCR (g/kg/day) 0.87 ± 0.17 0.87 ± 0.17 0.858 0.84 ± 0.17 0.83 ± 0.17 0.649 0.88 ± 0.17 0.88 ± 0.17 0.672 0.88 ± 0.17 0.88 ± 0.17 0.672 0.90 ± 0.18 0.90 ± 0.18 0.512 0.86 ± 0.17 0.85 ± 0.18 0.125
%CGR (%) 98 ± 26 98 ± 26 0.663 87 ± 27 87 ± 28 0.975 100 ± 26 100 ± 29 0.975 100 ± 26 100 ± 29 0.975 103 ± 24 103 ± 27 0.947 96 ± 26 96 ± 26 0.621

Alb, serum albumin; β2M, β2-microglobulin; BMI, body mass index; Ca, calcium; CRP, C-reactive protein; CTA, cellulose triacetate; CVD, cardiovascular disease; DM, diabetes mellitus; EVAL, ethylene vinyl alcohol; nPCR, normalized protein catabolic rate; P, phosphate; PAN, polyacrylonitrile; PEPA, polyester polymer alloy; PES, polyethersulfone; PMMA, polymethylmethacrylate; PS, polysulfone, %CGR, % creatinine generation rate.