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MMP-2 serum concentrations predict mortality in hemodialysis patients: a 5-year cohort study
Kuang-Chih Hsiao1, Jen-Pi Tsai2, Shun-Fa Yang3
1Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Division of Nephrology, Department of Medicine, Show Chwan Memorial Hospital, Changhua, Taiwan.
Background:
We evaluated the ability of matrix metalloproteinase (MMP)-2, MMP-9, myeloperoxidase, osteopontin and stromal cell-derived factor 1 to predict mortality in hemodialysis (HD) patients.
Methods:
One hundred forty HD patients were enrolled and followed from December 2007 until December 2012. At the end of this 5-year period, data were compared between the patients who were alive and those who had died.
Results:
The patients who alive were younger (56 vs. 63y), with lower frequency of diabetes mellitus (34.34% vs. 58.53%), higher concentrations of albumin (4.13 vs. 3.91mg/dl) and lower concentrations of MMP-2 (430.76 vs. 521.59ng/ml). Multivariate analysis showed that age (HR=1.03, p=0.02), diabetes mellitus (HR=2.395, p=0.012), albumin (HR=0.475, p=0.047) and MMP-2 (HR=1.003, p=0.005) were independent factors predicting mortality in HD patients. Receiver operating characteristic curve analysis showed that albumin (AUC=0.628, p=0.027) and MMP-2 (AUC=0.643, p=0.004) had a similar ability (p=0.76) to predict survival of HD patients.
Conclusions:
Compared with albumin, serum MMP-2 is a non-inferior prognostic marker for predicting the survival of HD patients.
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