摘要
目的在大型前瞻性队列研究基础上,探讨高敏C-反应蛋白(high sensitivity C-reactive protein,hsCRP)和中性粒细胞(neutrophil,NE)与女性乳腺癌发病风险的关联性。方法收集2006-2007年开滦研究队列女性人群体检数据和hsCRP及NE检测结果等基线信息。采用多因素Cox风险模型分析基线hsCRP水平及NE水平与女性乳腺癌发病风险比(HR)和95%可信区间(95%CI)。结果队列共纳入18 866例女性,末次随访至2015年12月31日,随访期间共收集新发乳腺癌183例。其中,hsCRP<1 mg/L组、1~3 mg/L组和>3 mg/L组新发乳腺癌9年累积发病率分别为829/10万、1 211/10万和1 495/10万,差异有统计学意义(χ~2=12.08,P=0.002)。Cox分析显示:hsCRP>3 mg/L组乳腺癌发病风险是hsCRP<1 mg/L组的1.71(95%CI:1.18~2.47,P=0.005)倍,差异有统计学意义。NE水平(<3.70×10~9/L和≥3.70×10~9/L)差异与乳腺癌发病风险无统计学意义(P>0.05)。结论基线hsCRP水平升高可能增加乳腺癌发病风险。
Objective To investigate whether elevated baseline levels of high sensitivity C-Reactive Protein(hsCRP) and neutrophil(NE) are associated with an increased risk of breast cancer in Kailuan female cohort. Methods Females from Kailuan cohort(2006-2007) were included in this study. Information on check-up, hsCRP and NE were collected at baseline for all subjects. Multivariable Cox proportional hazards regression models were used to calculate hazard ratios(HR) and 95% confidence intervals(95%CI) of association between baseline hsCRP and NE values and breast cancer risk. Results By December 31, 2015, a total of 18 866 participants were enrolled in this study. During the follow-up, 183 new cases of breast cancer were observed. All participants were divided into three groups according to the level of hsCRP(<1 mg/L, 1-3 mg/L and >3 mg/L). The cumulative incidence of breast cancer were 829/10~5, 1 211/10~5 and 1 495/10~5 in these 3 groups, respectively(χ~2=12.08, P=0.002). Compared with participants with lower hsCRP levels(<1 mg/L), individuals with the highest hsCRP(>3 mg/L) levels had significantly increased risk of breast cancer(HR=1.71,95%CI: 1.18-2.47, P=0.005), howerver, we didn't find the statistically significant association between NE level(<3.70×10~9/Lvs. ≥3.70×10~9/L) and the risk of brease cancer(P>0.05). Conclusions Elevated levels of hsCRP at baseline might increase the risk of breast cancer in females.
引文
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