Investigating the effects of climate variations on bacillary dysentery incidence in northeast China using ridge regression and hierarchical cluster analysis
2008

Climate Variations and Bacillary Dysentery in Northeast China

publication Evidence: moderate

Author Information

Author(s): Huang Desheng, Guan Peng, Guo Junqiao, Wang Ping, Zhou Baosen

Primary Institution: China Medical University

Hypothesis

How do climate variations affect the incidence of bacillary dysentery in northeast China?

Conclusion

Meteorological factors have affected the transmission of bacillary dysentery in northeast China.

Supporting Evidence

  • All weather indicators showed positive correlation with bacillary dysentery incidence.
  • Air pressure had a negative correlation with the incidence.
  • Relative humidity and precipitation were grouped together in the analysis.

Takeaway

Weather changes like temperature and humidity can make people sick with bacillary dysentery, a type of stomach illness.

Methodology

The study used ridge regression and hierarchical cluster analysis to examine the relationship between climate variations and bacillary dysentery incidence.

Potential Biases

Under-reporting of bacillary dysentery cases may underestimate the correlation with climate variations.

Limitations

The study only focused on meteorological factors and did not account for socio-economic changes or potential under-reporting of cases.

Participant Demographics

The study area was Shenyang, a city in northeast China with a population of about 7.6 million.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2334-8-130

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