Key result
Meteorological factors including temperature, air pressure, relative humidity, and rainfall amount were significantly correlated with the number of hand foot mouth disease cases.
Cohort (n=8,261)
Yes
HFMD incidence in Northern Thailand is significantly correlated with meteorological factors and incurs specific medical costs, highlighting the need for targeted preventive programs during the rainy season.
May inform seasonal HFMD surveillance in Northern Thailand; leaves open whether weather-based interventions reduce incidence.
Objective: To determine the correlations between the meteorological data and the number of hand foot mouth disease (HFMD) cases in 2016 in Northern Thailand, and to estimate the medical costs. Methods: A prospective cohort study was conducted. Data on numbers of HFMD cases were collected from 49 hospitals in three different provinces in Northern Thailand: 16 hospitals from Chiang Rai Province, 7 hospitals from Pha Yao Province, and 26 hospitals from Chiang Mai Province. A questionnaire had been developed and tested for validity and reliability before used. The specific form for collecting meteorological data was developed and used in the field. All information was recorded in the same data spread sheet before analysis. Chi-square and correlation tests were used for explaining the epidemiology of HFMD in the areas. An alpha error at 0.05 was used to determine the statistical significance level. Results: A total of 8 261 cases were analyzed in the study. 56.0% were males, 97.5% aged less than 6 years, 82.6% were out-patient department (OPD) cases, 75.5% were reported in raining season, and 43.2% were from Chiang Mai Province. The number of HFMD cases had statistically significant correlations with temperature, air pressure, relative humidity, and rainfall amount. Averagely, 216 baht and 3 678 baht per case per visit had to be expended for medical cost in OPD and IPD cases, respectively. Most of the cases had been reported in the border areas: Thai-Myanmar, and Thai-Lao. Conclusions: Thailand health care system should provide a concrete schedule for taking care of HFMD patients during raining season, and should develop an effective preventive and control program for HFMD particularly among children less than 6 years.
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Upala et al. (2017) conducted a cohort in Hand foot mouth disease (HFMD) (n=8,261). Meteorological factors (temperature, air pressure, relative humidity, rainfall) was evaluated on Correlation between meteorological data and the number of HFMD cases. Meteorological factors including temperature, air pressure, relative humidity, and rainfall amount were significantly correlated with the number of hand foot mouth disease cases.
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