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目的了解重庆市胃癌发病趋势及影响因素,为开展胃癌防治工作提供建议。方法收集整理2006-2014年重庆市肿瘤登记点报告胃癌新发病例,采用SPSS 19.0软件统计分析发病率、中标率、世标率、年度变化百分比(APC)、截缩率、累积率与累积危险度,趋势变化采用曲线估计指数分布回归模型进行判别。利用恶性肿瘤发病率差别分解法计算出人口因素和非人口因素对恶性肿瘤发病的贡献值与贡献率。结果胃癌发病率呈缓慢下降的趋势,APC为-1.49%,变化趋势差异无统计学意义(P>0.05),中标率与世标率均呈下降趋势,APC分别为-4.97%和-5.53%,变化趋势差异均有统计学意义(P<0.05,P<0.01)。男性胃癌发病率高于女性。城市居民胃癌发病率低于农村。农村地区胃癌发病率呈明显下降的趋势,APC为-4.40%,变化趋势差异有统计学意义(P<0.05)。胃癌截缩率由2006年的18.69/10万下降至2014年的13.67/10万,APC为-3.82%,变化趋势差异有统计学意义(P<0.01)。胃癌累积危险度由2006年的0.73%下降至2014年的0.43%,APC为-7.32%,变化趋势差异有统计学意义(P<0.01)。胃癌发病率下降主要为非人口因素的贡献(2 495.67%)。城市居民胃癌发病率上升受人口因素与非人口因素的协同作用,贡献率分别为57.06%和42.94%。结论重庆市胃癌发病率呈下降的趋势,非人口因素是影响胃癌发病率下降的主要因素,应积极做好健康生活方式的促进。
Objective To understand the trend and influencing factors of gastric cancer in Chongqing and to provide suggestions for the prevention and treatment of gastric cancer. Methods The cases of new cases of gastric cancer were collected from Cancer Registry of Chongqing City in 2006-2014. The incidence, successful rate, world standard rate, percentage of annual change (APC), rate of shrinkage, cumulative rate and cumulative risk were calculated by SPSS 19.0 software. Degree, trend changes using curve-based exponential regression model to judge. The use of differential diagnosis of malignant tumor incidence calculated by population factors and non-population factors contribute to the incidence of malignant tumors and contribution rates. Results The incidence of gastric cancer showed a slowly decreasing trend with an APC of -1.49% and no significant difference in the trend (P> 0.05). The rates of successful biddings and the world standard rates all showed a downward trend with APC values of -4.97% and -5.53%, respectively (P <0.05, P <0.01). The incidence of gastric cancer in men than women. The incidence of gastric cancer in urban residents is lower than that in rural areas. The incidence of gastric cancer in rural areas showed a significant downward trend, APC was -4.40%, the trend of change was statistically significant (P <0.05). The shrinkage rate of gastric cancer decreased from 18.69 / 100 000 in 2006 to 13.67 / 100 000 in 2014, and the APC was -3.82%. There was significant difference between the two groups (P <0.01). The cumulative risk of gastric cancer decreased from 0.73% in 2006 to 0.43% in 2014, with an APC of -7.32%. The trend of the difference was statistically significant (P <0.01). The incidence of gastric cancer decreased mainly due to non-population factors (2 495.67%). The incidence of gastric cancer in urban residents rose by 57.06% and 42.94%, respectively, due to the synergistic effect of population factors and non-population factors. Conclusions The incidence of gastric cancer in Chongqing shows a decreasing trend. Non-demographic factors are the main factors that affect the incidence of gastric cancer. We should actively promote the healthy lifestyle.