Epidemiological characteristics of hand-foot-mouth disease in Inner Mongolia Autonomous Region from 2009 to 2018

ZHANG Ying-ying; WANG Yan-ling; LIU Ying; YUN Han-xuan; ZHAO Le; ZHAO Jing

doi:10.16462/j.cnki.zhjbkz.2021.01.012

Volume 25 Issue 1

Jan. 2021

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ZHANG Ying-ying, WANG Yan-ling, LIU Ying, YUN Han-xuan, ZHAO Le, ZHAO Jing. Epidemiological characteristics of hand-foot-mouth disease in Inner Mongolia Autonomous Region from 2009 to 2018[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(1): 60-65. doi: 10.16462/j.cnki.zhjbkz.2021.01.012

Citation:

ZHANG Ying-ying, WANG Yan-ling, LIU Ying, YUN Han-xuan, ZHAO Le, ZHAO Jing. Epidemiological characteristics of hand-foot-mouth disease in Inner Mongolia Autonomous Region from 2009 to 2018[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(1): 60-65. doi: 10.16462/j.cnki.zhjbkz.2021.01.012

Citation:

ZHANG Ying-ying, WANG Yan-ling, LIU Ying, YUN Han-xuan, ZHAO Le, ZHAO Jing. Epidemiological characteristics of hand-foot-mouth disease in Inner Mongolia Autonomous Region from 2009 to 2018[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(1): 60-65. doi: 10.16462/j.cnki.zhjbkz.2021.01.012

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Epidemiological characteristics of hand-foot-mouth disease in Inner Mongolia Autonomous Region from 2009 to 2018

doi: 10.16462/j.cnki.zhjbkz.2021.01.012

Department of Child Hygiene and Health Education, School of Public Health, Inner Mongolia Medical University, Hohhot 010000, China

Funds:

Health and Family Planning Research Project in Inner Mongolia 201702048

More Information

Corresponding author: WANG Yan-ling, E-mail: ylwang1624@163.com; LIU Ying, E-mail: yingruru@sina.com
Received Date: 2020-06-05
Rev Recd Date: 2020-10-23
Publish Date: 2021-01-10

Abstract

Abstract

Objective To analyzed the epidemiological and seasonal characteristics of hand-foot-mouth disease (HFMD) in Inner Mongolia Autonomous Region from 2009 to 2018. Methods The surveillance data of HFMD in Inner Mongolia Autonomous Region from 2009 to 2018 were analyzed using statistic methods, and concentration method and circular distribution method were used to analyze the seasonal variations. Results A total of 178 063 cases were reported in Inner Mongolia Autonomous Region from 2009 to 2018, with an annual average reported incidence of 71.99 per 100 000. The overall incidence showed a downward trend (χ²_trend=3 584.162, P < 0.001). A total of 1 216 severe cases were reported, revealing an overall downtrend (χ²_trend=8.772, P < 0.001). The incidence concentration ratio M-value was 0.876, exhibiting a strong seasonal characteristic. The concentration trend of HFMD circular distribution was 0.523, α=209.446° (144.187°, 274.705°) (Z=48 660.177, P < 0.001). The incidence was mainly reported between May 2 and September 26 and peaked on July 16. The severe cases concentration ratio M-value was 0.919, indicating a strict seasonality. The concentration trend of severe cases circular distribution was 0.592, α=210.688° (152.025°, 269.352°) (Z=426.240, P < 0.001). The most common peak day of severe cases was August 3, and the peak season was from June 4 to November 1. The incidence in Inner Mongolia Autonomous Region Wuhai City was highest (176.91/100 000), and the difference of the average annual incidence in different cities was statistically significant (χ²=1 548.865, P < 0.001). Moran's Index was -0.023 (P=0.688), suggesting that there was no regional aggregation. The cases were mainly concentrated in the population under 10 years old which accounted for 98.82%, in which scattered children and Kindergarten children accounted for 48.50% and 42.31%, respectively. There was statistically difference in morbidity between men and women (χ²=30.482, P < 0.001). Conclusions Though the incidence of HFMD in Inner Mongolia Autonomous Region had a downtrend with each passing year, prevention and control strategies were still needed to be carried out.
- Hand-foot-mouth disease,
- Epidemiology,
- Seasonal distribution,
- Concentration,
- Circular distribution method

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References(13)

References

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