期刊
UROLOGIC ONCOLOGY-SEMINARS AND ORIGINAL INVESTIGATIONS
卷 32, 期 1, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.urolonc.2013.07.016
关键词
Renal cancer. C-reactive protein; Prognosis; Meta-analysis
Objectives: C-reactive protein (CRP) has been reported to he associated with poorer prognosis in patients with renal cell carcinoma (RCC); however, conflicting results exist. We conducted a systematic review to evaluate the prognostic value, and a meta-analysis was done if the extracted data could be merged. Materials and methods: We searched MEDLINE, EMBASE, and the Cochrane Central Search library for published studies that analyzed the effect of CRP in RCC. All included cases were categorized into 4 groups of different stages and tumor types for analysis, and the relationships between CRP and stage, grade, and survival were analyzed. Results: Overall, 24 studies including 4,100 RCC cases were accepted for meta-analysis. Elevated CRP level was associated with higher stage (risk ratio [RR I 2.90, 95% confidence interval ICI] 2.52 3.32, P < 0.00001) and higher grade (RR 4.31, 95% CI 3.35 5.56, P < 0.00001) in the overall analysis of patients with all pathologic types of RCCs, and it was also associated with poorer overall survival (hazard ratio [11R] 1.51, 95% CI 1.09 1.93, P < 0.00001) and cancer-specific survival (CSS) (IIR 3.91, 95% CI 2.18-5.64, P < 0.00001). In patients with localized RCC, elevated CRP level was associated with poorer CSS (HR 3.49, 95% CI 2.93-4.05, P < 0.00001) and progression-free survival (HR 3.29, 95% Cl 2.91 3.67, P < 0.00001); whereas in patients with metastatic RCC, elevated CRP level was associated with poorer overall survival (HR 2.37, 95% CI 2.14-2.60, P < 0.00001) and CSS 3.70. 95% CE 3.19-4,22, P < 0.00001). Specifically, in the patients with clear cell RCC, elevated CRP level was also associated with higher stage (RR 2.92, 95% CI 2.25-3.80, P < 0.00001), poorer CSS (HR 2.60, 95% CI 2.32-2.88, P < 0.00001), and poorer progression-free survival (HR 1.21, 95% CI 0.94-1.47, P < 0.00001). Conclusion: Elevated CRP level in a patient with RCC is associated with poorer prognosis, and it could serve as a useful biomarkei for clinical prediction.;(C) 2014 Elsevier Inc. All rights reserved.
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