Zhang ZD, Li X, Lu C. Prognostic value of C-reactive protein in patients with colorectal cancer: Meta-analysis.
Shijie Huaren Xiaohua Zazhi 2016;
24:2093-2101. [DOI:
10.11569/wcjd.v24.i13.2093]
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Abstract
AIM: To evaluate the association between prognosis and C-reactive protein (CRP) in patients with colorectal cancer.
METHODS: We systematically searched the relevant studies assessing prognostic value of C-reactive protein in patients with colorectal cancer in PubMed and Embase database (up to May 2015). This meta-analysis was completed with hazard ratio (HR) and 95% confidence intervals (CI) as effect measures, using Stata12.0 software. Subgroup and sensitivity analyses were also performed.
RESULTS: Twenty-one eligible studies were included in the present meta-analysis, including 4242 patients with colorectal cancer. Our results showed that elevated CRP was associated with poor survival in patients with colorectal cancer (overall survival: HR = 1.89, 95%CI: 1.52-2.35, P < 0.001; cancer-specific survival: HR = 2.08, 95%CI: 1.42-3.04, P < 0.001; disease-free survival: HR = 1.44, 95%CI: 1.25-1.67, P < 0.001). The subgroup analyses based on the sampling time, sample size and study region obtained similar results. Moreover, sensitivity analyses confirmed the stability of our results.
CONCLUSION: Our meta-analysis indicates that CRP is significantly associated with a poor prognosis for patients with colorectal cancer.
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