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Table 2 Univariate analysis of risk for all-cause and cardiovascular mortality

From: Abdominal aortic calcification is not superior over other vascular calcification in predicting mortality in hemodialysis patients: a retrospective observational study

Variable HR for all-cause mortality (95%CI) P-value HR for cardiovascular mortality (95%CI) P-value
Age (per 1-yr older) 1.08(1.05-1.11) <0.001 1.06(1.03-1.10) 0.01
Male (compared to female) 1.55(0.80-2.98) 0.19 1.14(0.51-2.59) 0.75
History of cardiovascular disease 1.26(0.53-3.02) 0.61 0.97(0.29-3.25) 0.95
History of cerebral vascular disease 2.03(0.79-5.22) 0.18 1.92(0.57-6.47) 0.29
Dialysis vintage (per 3-m longer) 1.00(0.98-1.03) 0.90 1.00(0.97-1.03) 0.89
Diabetes mellitus 2.13(1.11-4.07) 0.02 3.00(1.32-6.80) 0.01
Phosphorusa     
<1.13 mmol/L 2.38(0.96-5.89) 0.06 2.81(1.02-7.73) 0.05
>1.78 mmol/L 1.11(0.54-2.27) 0.78 0.68(0.26-1.79) 0.44
Calciumb     
<2.10 mmol/L 0.92(0.42-2.03)) 0.84 0.883(0.32-2.43) 0.81
>2.37 mmol/L 1.54(0.72-3.32) 0.27 1.55(0.59-4.08) 0.37
PTHc     
<150 pg/ml 1.67(0.71-3.93) 0.24 1.51(0.49-4.67) 0.48
>300 pg/ml 1.01(0.46-2.22) 0.9 1.16(0.43-3.12) 0.78
ALP 1.00(1.00-1.01) 0.27 1.00(1.00-1.00) 0.27
Hyperlipidemia 0.87(0.46-1.67) 0.68 1.15(0.50-2.66) 0.74
Albumin (per 1 g/L increase) 0.83(0.75-0.92) <0.001 0.79(0.70-0.90) <0.001
Hemoglobin (per 1 g/L increase) 1.00(0.98-1.01) 0.55 1.00(0.98-1.01) 0.55
History of hypertension 0.46(0.20-1.05) 0.06 0.39(0.14-1.05) 0.06
Kt/V (per 1 increase) 0.18(0.06-0.59) 0.01 0.241(0.05-1.08) 0.06
Presence of aorta calcification 5.33(1.89-15.04) 0.01 3.03(1.03-8.93) 0.04
Presence of iliac artery calcification 3.15(1.64-6.08) 0.01 2.76(1.21-6.29) 0.02
Presence of femoral artery calcification 3.66(1.88-7.12) 0.01 2.61(1.15-5.92) 0.02
Presence of digital artery calcification 3.43(1.51-7.83) 0.01 5.03(1.98-12.76) 0.01
Presence of radial artery calcification 1.87(0.92-3.78) 0.08 1.92(0.79-4.66) 0.15
Presence of iliac or femoral artery calcification 3.05(1.57-6.00) 0.01 2.85(1.24-6.60) 0.01
Presence of radial or digital artery calcification 2.15(1.10-4.23) 0.03 2.52(1.09-5.83) 0.03
Vascular calcification score (per 1 score increase) 1.28(1.16-1.42) <0.001 1.29(1.14-1.47) <0.001
Pulse pressure (per 1 mmHg increase) 1.02(1.00-1.04) 0.01 1.22(1.00-1.04) 0.09
  1. a Compared with a reference group of 1.13-1.78 mmol/L; b compared with a reference group of 2.10-2.37 mmol/L; c compared with a reference group of 150–300 pg/ml.