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目的核实和调查一起学生肢痛症暴发的流行情况,探讨和分析疾病流行因素,预防该病在校园内流行。方法采用流行病学调查分析方法对2014年2月顺德区某中学发生的肢痛症进行调查,采用SPSS 17.0统计学软件对调查数据进行统计学分析。结果 410名病例分布于3个年级,高一至高三罹患率分别为12.92%、13.06%和17.39%,高三罹患率高于高一、高二,差异有统计学意义(P<0.01);女生罹患率(22.49%)高于男生罹患率(6.71%),差异有统计学意义(P<0.01);临床表现以肢端疼痛,足趾、足底、足跟、足背痛为主,少数伴有手指疼痛及肢端红斑;2014年2月7日—28日气温从22℃下降至5℃,随后气温回升至21.5℃,短期内气温呈“V”字形变化,随着气温回升,病例数开始增加。对2月10日—28日的每日平均温度和病例数进行相关性分析,结果显示二者呈正相关关系(r=0.46,P<0.05),提示气温骤降骤升是造成该病流行的主要诱因;病例对照研究显示,缺乏体育锻炼(OR=2.71,95%CI:1.69~4.34)和防寒保暖措施不到位(OR=3.81,95%CI:2.35~6.19)为该病的危险因素。结论本次学校肢痛症暴发流行,发病可能与气温急剧变化以及学生缺乏体育锻炼和防寒措施不到位有一定关系,加强宣传教育和体育锻炼,增强学生体质,并注意防寒保暖,可以有效预防该病在校园内流行。
Objective To verify and investigate the prevalence of acute limb pain exacerbations in schools, to explore and analyze the prevalence of diseases and to prevent their spread on campus. Methods Epidemiological survey was used to investigate the incidence of limb pain in a middle school in Shunde District in February 2014. The data were analyzed by SPSS 17.0 statistical software. Results 410 cases were found in 3 grades. The prevalence rates of high school students and high school students were 12.92%, 13.06% and 17.39% respectively. The prevalence rate of high school students in the third year was higher than that of the first year and the second year. The difference was statistically significant (P <0.01) (22.49%) was higher than that of boys (6.71%), the difference was statistically significant (P <0.01). The clinical manifestations were acral pain, toe, plantar, heel and back pain, Finger pain and acral erythema; February 7-28, 2014 temperature dropped from 22 ℃ to 5 ℃, then the temperature rose to 21.5 ℃, short-term temperature was “V” shape changes, with the temperature rise, the case The number began to increase. The correlation between the daily mean temperature and the number of cases from February 10 to February 28 showed a positive correlation between the two (r = 0.46, P <0.05), suggesting that the surge in temperature suddenly led to the epidemic Case-control studies showed that physical exercise (OR = 2.71, 95% CI: 1.69-4.44) and inadequate warm-keeping measures (OR = 3.81,95% CI: 2.35-6.19) were the risk factors for the disease. Conclusions The outbreak of limb pain may be epidemic in this school. The incidence may be related to the abrupt change of temperature and the lack of physical exercise and cold-proof measures in students. Strengthening publicity and education and physical exercise, strengthening the students’ physique, paying attention to cold-proof and warm-keeping can effectively prevent this The disease is prevalent on campus.