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Obesity and mortality after locoregional breast cancer diagnosis.
Breast Cancer Research and Treatment ( IF 3.8 ) Pub Date : 2018-08-31 , DOI: 10.1007/s10549-018-4932-6
A Holliston Moore 1, 2, 3 , Amy Trentham-Dietz 1, 4 , Marguerite Burns 1 , Ronald E Gangnon 1, 5 , Caprice C Greenberg 4, 6 , David J Vanness 7 , John Hampton 4 , Xiao-Cheng Wu 8 , Roger T Anderson 9 , Joseph Lipscomb 10 , Gretchen G Kimmick 11 , Rosemary Cress 12 , J Frank Wilson 13 , Susan A Sabatino 14 , Steven T Fleming 15
Affiliation  

PURPOSE Higher mortality after a breast cancer diagnosis has been observed among women who are obese. We investigated the relationships between body mass index (BMI) and all-cause or breast cancer-specific mortality after a diagnosis of locoregional breast cancer. METHODS Women diagnosed in 2004 with AJCC Stage I, II, or III breast cancer (n = 5394) were identified from a population-based National Program of Cancer Registries (NPCR) patterns of care study (POC-BP) drawing from registries in seven U.S. states. Differences in overall and breast cancer-specific mortality were investigated using Cox proportional hazards regression models adjusting for demographic and clinical covariates, including age- and stage-based subgroup analyses. RESULTS In women 70 or older, higher BMI was associated with lower overall mortality (HR for a 5 kg/m2 difference in BMI = 0.85, 95% CI 0.75-0.95). There was no significant association between BMI and overall mortality for women under 70. BMI was not associated with breast cancer death in the full sample, but among women with Stage I disease; those in the highest BMI category had significantly higher breast cancer mortality (HR for BMI ≥ 35 kg/m2 vs. 18.5-24.9 kg/m2 = 4.74, 95% CI 1.78-12.59). CONCLUSIONS Contrary to our hypothesis, greater BMI was not associated with higher overall mortality. Among older women, BMI was inversely related to overall mortality, with a null association among younger women. Higher BMI was associated with breast cancer mortality among women with Stage I disease, but not among women with more advanced disease.

中文翻译:

局部乳腺癌诊断后的肥胖和死亡率。

目的观察到肥胖女性的乳腺癌诊断后死亡率较高。我们调查了局部地区乳腺癌后体重指数(BMI)与全因或乳腺癌特异性死亡率之间的关系。方法2004年被诊断患有AJCC I,II或III期乳腺癌(n = 5394)的妇女,是根据七个国家的登记簿中基于人群的国家癌症登记计划(NPCR)照护研究(POC-BP)模式确定的。美国各州。使用针对人口和临床协变量进行调整的Cox比例风险回归模型(包括基于年龄和阶段的亚组分析),研究了总体死亡率和乳腺癌特异性死亡率的差异。结果对于70岁以上的女性,较高的BMI与较低的总体死亡率相关(HR差为5 kg / m2,BMI = 0.85,95%CI 0.75-0.95)。对于70岁以下的女性,BMI与总体死亡率之间没有显着相关性。在整个样本中,BMI与乳腺癌的死亡并不相关,但是在患有I期疾病的女性中;BMI最高类别的人的乳腺癌死亡率显着更高(BMI≥35 kg / m2的心率与18.5-24.9 kg / m2的心率= 4.74,95%CI 1.78-12.59)。结论与我们的假设相反,较高的BMI与较高的总死亡率无关。在老年妇女中,BMI与总体死亡率成反比,而在年轻妇女中则无相关性。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。对于70岁以下的女性,BMI与总体死亡率之间没有显着相关性。在整个样本中,BMI与乳腺癌的死亡并不相关,但是在患有I期疾病的女性中;BMI最高类别的人的乳腺癌死亡率显着更高(BMI≥35 kg / m2的心率与18.5-24.9 kg / m2的心率= 4.74,95%CI 1.78-12.59)。结论与我们的假设相反,较高的BMI与较高的总死亡率无关。在老年妇女中,BMI与总体死亡率成反比,而在年轻妇女中则无相关性。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。对于70岁以下的女性,BMI与总体死亡率之间没有显着相关性。在整个样本中,BMI与乳腺癌的死亡并不相关,但是在患有I期疾病的女性中;BMI最高类别的人的乳腺癌死亡率显着更高(BMI≥35 kg / m2的心率与18.5-24.9 kg / m2的心率= 4.74,95%CI 1.78-12.59)。结论与我们的假设相反,较高的BMI与较高的总死亡率无关。在老年妇女中,BMI与总体死亡率成反比,而在年轻妇女中则无相关性。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。但在患有I期疾病的女性中;BMI最高类别的人的乳腺癌死亡率显着更高(BMI≥35 kg / m2的心率与18.5-24.9 kg / m2的心率= 4.74,95%CI 1.78-12.59)。结论与我们的假设相反,较高的BMI与较高的总死亡率无关。在老年妇女中,BMI与总体死亡率成反比,而在年轻妇女中则无相关性。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。但在患有I期疾病的女性中;BMI最高类别的人的乳腺癌死亡率显着更高(BMI≥35 kg / m2的心率与18.5-24.9 kg / m2的心率= 4.74,95%CI 1.78-12.59)。结论与我们的假设相反,较高的BMI与较高的总死亡率无关。在老年妇女中,BMI与总体死亡率成反比,而在年轻妇女中则无相关性。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。体重指数与总体死亡率成反比,年轻女性之间没有关联。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。体重指数与总体死亡率成反比,年轻女性之间没有关联。BMI较高与I期疾病女性的乳腺癌死亡率相关,但与较晚期疾病的女性无关。
更新日期:2019-11-01
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