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

Daqing Hong; Shukun Wu; Lei Pu; Fang Wang; Junru Wang; Zhengtong Wang; Hui Gao; Yue Zhang; Fei Deng; Guisen Li; Qiang He; Li Wang

doi:10.1186/1471-2369-14-120

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
Phosphorus^a
<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
Calcium^b
<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
PTH^c
<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

^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.

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