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ORIGINAL RESEARCH |
From the Departments of Obstetrics & Gynecology, 1 Medical University of Vienna, Vienna, Austria; 2 Innsbruck Medical University, Innsbruck, Austria; and 3 Landeskrankenhaus Klagenfurt, Klagenfurt, Austria.
OBJECTIVE: To evaluate whether C-reactive protein (CRP) serum levels are associated with prognosis in surgically treated endometrial cancer.
METHODS: In the present multicenter study, CRP serum levels were measured preoperatively in 403 surgically staged patients with endometrioid endometrial cancer. Results were correlated to clinical data.
RESULTS: The mean (standard deviation) serum CRP level in patients with endometrial cancer was 1.0 (1.8) mg/dL. Serum CRP levels were associated with tumor stage (P=.01), but not with tumor grade (P=.8), lymph node involvement (P=.8), and age at diagnosis (P=.9). In a univariable survival analysis, serum CRP levels, tumor stage, tumor grade, and age at diagnosis were associated with disease-free and overall survival (all P <.001). In a multivariable Cox regression model, serum CRP levels (P=.001, P=.004), tumor stage (P <.001, P <.001), tumor grade (P=.02, P=.009), and age at diagnosis (P=.002, P=.001) were independent prognostic factors for disease-free and overall survival.
CONCLUSION: Our results suggest that elevated serum CRP levels are associated with a less favorable prognosis in patients with surgically treated endometrial cancer.
LEVEL OF EVIDENCE: II
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