A correlation analysis between epidemiological characteristics of pediatric intussusception and meteorological factors in Wuhu
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摘要:
目的 了解芜湖市近6年来小儿肠套叠流行病学特征及其与部分气象因素的相关性,在增加对肠套叠发病认识的同时可为肠套叠预测模型的建立提供理论依据。 方法 回顾性收集2014年4月―2019年12月于皖南医学院第一附属医院就诊的小儿肠套叠病例,分析其相关统计学特征和部分临床特征,采用圆形分布法和系统聚类中的Q型聚类分析其季节性,用Poisson回归分析研究肠套叠的发病与纳入的6种气象因素之间的相关性。 结果 共收集肠套叠1 026例,其中原发性肠套叠986例,男女性别比为1.87∶1, < 2岁儿童占52.02%。主要临床表现为腹痛或哭闹(69.57%,686/986)、呕吐(62.98%,621/986)、血便(22.41%,221/986)等。结合圆形分布法(Z=7.62,P < 0.001)和聚类分析结果,肠套叠的发病有明显的高峰(5―6月),证明其发病存在季节性。Poisson回归分析结果显示:每月肠套叠发病数与月日照总量呈正相关(β=0.004,P=0.005),与月平均风速(β=-0.433,P=0.016)、月平均气压(β=-0.064,P < 0.001)、月平均气温(β=-0.066,P < 0.001)呈负相关,与月降水量、月平均相对湿度无明显相关(均有P>0.05)。 结论 在芜湖市,肠套叠的发病具有一定的季节性,并与气候因素相关,好发于日照量足、风速和平均气压较低且气温适中的月份。 Abstract:Objective This study aims to elucidate the epidemiological characteristics of pediatric intussusception over the past six years and its association with meteorological factors in Wuhu, with a view to enhancing our understanding of the condition and providing a theoretical foundation for the development of predictive models. Methods A retrospective analysis was performed on the statistical and clinical features of pediatric intussusception cases treated at the First Affiliated Hospital of Wannan Medical College between April 2014 and December 2019. Seasonal patterns were assessed using the circular distribution method and Q-type clustering in systematic clustering. The Poisson regression was used to analyze the correlations between intussusception incidence and six meteorological factors. Results A total of 1 026 intussusception cases were collected, including 986 primary intussusceptions. The male-to-female ratio was 1.87∶1, with 52.02% of patients being no more than two years old. The predominant clinical symptoms were abdominal pain or crying (69.57%, 686/986), vomiting (62.98%, 621/986), and bloody stool (22.41%, 221/986). Circular distribution analysis (Z=7.62, P < 0.001) and clustering analysis revealed distinct peaks in intussusception incidence from May to June, indicating seasonality. Poisson regression analysis demonstrated positive correlations between monthly intussusception incidence and total monthly sunshine (β=0.004, P=0.005), and negative correlations with monthly average wind speed (β=-0.433, P=0.016), monthly average air pressure (β=-0.064, P < 0.001), and monthly average air temperature (β=-0.066, P < 0.001). No significant associations were found with monthly precipitation and monthly average relative humidity (all P>0.05). Conclusions In Wuhu, intussusception exhibits seasonal occurrence patterns and is influenced by climate factors. Months characterized by abundant sunshine, low wind speed, average air pressure, and moderate temperature are associated with higher incidence rates. -
Key words:
- Intussusception /
- Epidemiology /
- Meteorology /
- Children
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表 1 原发性肠套叠患者的年龄和性别分布
Table 1. Age and sex distribution of patients with primary intussusception
变量 2014(4―12月) 2015年 2016年 2017年 2018年 2019年 总计 性别 男 48 106 113 146 120 109 642 女 43 46 52 68 72 63 344 年龄组(岁) 0~ < 1 33 41 35 35 35 21 200 1~ < 2 26 52 40 75 66 54 313 2~ < 4 25 50 65 67 67 77 351 ≥4 7 9 25 37 24 20 122 总计 91 152 165 214 192 172 986 表 2 原发性肠套叠患者的部分临床特征及继发性肠套叠患者的常见病因
Table 2. Partial clinical features of primary intussusception cases and common etiology of secondary intussusception cases
特征 例数(n) 比例(%) 特征 例数(n) 比例(%) 主要临床表现 手术患儿 腹痛或哭闹 686 69.57 Meckel憩室 20 50.00 呕吐 621 62.98 过敏性紫癜 6 15.00 血便 221 22.41 肠重复 4 10.00 腹部包块 356 36.11 发热 108 10.95 表 3 肠套叠例数与各气候因素之间的Poisson回归分析结果
Table 3. Results of Poisson regression analysis between intussusception cases and various climatic factors
自变量 β值 sx Z值 95% CI P值 月降水量(mm) <0.001 0.001 0.330 0.999~1.001 0.741 月平均风速(m/s) -0.433 0.180 -2.403 0.456~0.923 0.016 月平均气压(hPa) -0.064 0.016 -3.998 0.909~0.968 <0.001 月日照总量(h) 0.004 0.001 2.836 1.001~1.006 0.005 月平均气温(℃) -0.066 0.016 -4.125 0.907~0.966 <0.001 月平均相对湿度 0.008 0.009 0.801 0.989~1.027 0.423 -
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