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           However,the relationship between obesity and AP has not yet been confirmed,whether baseline triglyceride(TG) affects the
           risk of AP in non-obese people is still inconclusive. Objective To explore the association between baseline serum triglyceride
           (TG) and the risk of AP in a nonobese cohort from Kailuan Group. Methods A prospective cohort study was performed among
           in-service and retired workers of Kailuan Group(non-obese,without a history of AP,with complete TG information) who first
           attended the annual health screening for workers of the group as a benefit conducted between 2006 and 2007 or between 2008-
           2009. The cumulative incidence of AP across serum TG tertile groups: 〔Q1 group (TG ≤ 0.96 mmol/L),Q2 group (0.96
           mmol/L<TG<1.52 mmol/L),Q3 group(TG ≥ 1.52 mmol/L)〕was described using Kaplan-Meier curve,and compared
           by the Log-rank test. The new AP event,death or the end of follow-up (December 31,2020) was taken as the end point of
           follow-up. Cox regression model was used to estimate the association of baseline TG levels and new incidence of AP. Results
           The study included a total of 102 358 subjects. Q1,Q2 and Q3 groups had significant differences in sex ratio,average age,
           systolic blood pressure,diastolic blood pressure,fasting blood glucose,total cholesterol (TC),low-density lipoprotein
           cholesterol(LDL-C),and high-density lipoprotein cholesterol (HDL-C),and prevalence of smoking,drinking,
           previous hypertension,previous diabetes,previous cholelithiasis,as well as having at least 9 years of education (P<0.05).
           Three hundred and sixteen cases developed AP during an average follow-up of (12.8±2.4) years,with an incidence density
           of AP of 2.41 per 10 000 person-years. The incidence density was 1.82,2.22,and 3.17 per 10 000 person-years in Q1,Q2,
           and Q3 groups,respectively. The cumulative incidence of AP was 2.33%,2.85% and 4.07%,respectively,in Q1,Q2,and
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           Q3 groups,with statistically differences detected by the log-rank test (χ =17.27,P<0.001). By the analysis based on COX
           regression model 3,the HR of developing AP in Q3 group was 1.66〔95%CI(1.25,2.19)〕times higher than in Q1 group
           after adjusting for sex,age,HDL-C,TC,smoking,drinking,education level,history of hypertension,history of diabetes
           and history of cholelithiasis,and it was 1.68〔95%CI(1.25,2.24)〕times higher than in Q1 group after further excluding the
           cases suffering from AP within 1 year of follow-up. Conclusion A baseline serum TG level of ≥ 1.52 mmol/L may increase the
           risk of AP in nonobese people.
               【Key words】 Non-obesepeople;Triglycerides;Acutepancreatitis;Cohort studies;Prospective studies;Tangshan



               急性胰腺炎(AP)是多种病因导致胰腺组织自身                          注册试验号:Chi-CTR-TRNC-11001489)人群的资料,
           消化所致的胰腺水肿、出血及坏死等炎性损伤,是临床                            分析非肥胖人群基线 TG 水平对 AP 发病风险的影响,
           常见急腹症之一。流行病学资料显示 AP 发病率呈逐年                          为我国相关领域的研究提供参考与依据。
           上升趋势:美国 AP 发病率从 2006 年的 9.9 例 / 万人年                 1 资料与方法
           增加至 2009 年的 10.6 例 / 万人年     [1] ;英国资料显示,           1.1 临床资料 选取 2006—2007 年和 2008—2009 年
           威尔士 AP 发病率从 1999 年的 2.76 例 / 万人年增加至                 首次在开滦总医院及其下属 10 家医院完成体检的开滦
           2010 年的 3.64 例 / 万人年,平均每年增加 2.7%         [2] 。中     研究队列人群为研究对象,收集所有查体人员相应的流
           国台湾 AP 的发病率为(4~70)/10 万          [3] ,平均每年增         行病学、人体测量学及实验室检查指标。本研究遵守赫
           加 1%~5%。                                            尔辛基宣言原则,并通过开滦医疗集团伦理委员会审核
               胆管疾病、酗酒、高脂血症等是 AP 较常见的危险                        批准(2006 医伦字 5 号)。
           因素  [4-7] ,近年来高三酰甘油血症作为 AP 发病的危险                    1.2 纳入与排除标准 纳入标准:(1)于 2006—2007
           因素逐渐受到重视,但三酰甘油(TG)引起 AP 的阈值                         年和 2008—2009 年首次参加开滦(集团)有限责任公
           尚没有明确的共识。美国胃肠病学会和内分泌学会指南                            司健康体检的在职及离退休职工;(2)签署知情同意
           认为 TG>11.3 mmol/L 是 AP 的危险因素      [8-9] ;欧洲心脏       书者。排除标准:(1)有胰腺炎病史者;(2)TG 结
           病学会和欧洲动脉粥样硬化学会认为 TG ≥ 10 mmol/L                     果缺失或 TG 极值者;(3)体质指数(BMI)≥ 28.0
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           时会增加 AP 的发病风险         [10] ,我国《高甘油三酯血症              kg/ m 者。
           性急性胰腺炎诊治急诊专家共识》                [11] 推荐引起 AP 的       1.3 相关定义和诊断标准 临床资料、流行病学调查
           TG 水平参考美国胃肠病学会和内分泌学会指定标准。                           表、人体测量学指标、生化指标检测结果参见已发表文
           丹麦的一项前瞻性队列研究发现,在一般人群中非空腹                            献 [13] 。根据《中国超重 / 肥胖医学营养治疗专家共识
           血清 TG ≥ 2 mmol/L 时,AP 发病风险会升高           [12] 。目     (2016 年版)》     [14] 定义的 BMI 分类标准,将观察人
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           前关于肥胖是否引起 AP 发病风险增加尚存在争议。本                          群分为正常体质量组(BMI<24.0 kg/m )、超重组(BMI
                                                                                                          2
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           研究采用前瞻性队列研究方法,利用开滦研究(该研究                            为 24.0~<28.0 kg/m )、肥胖组(BMI ≥ 28.0 kg/m )。
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