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Estimating the tuberculosis incidence using a SARIMAX-NNARX hybrid model by integrating meteorological factors in Qinghai Province, China

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Abstract

Tuberculosis (TB) is recognized as being a major public health concern owing to its increase in Qinghai, China. In this study, we aimed to estimate the long-term effects of meteorological variables on TB incidence and construct an advanced hybrid model with seasonal autoregressive integrated moving average (SARIMA) and a neural network nonlinear autoregression (SARIMAX-NNARX) by integrating meteorological factors and evaluating the model fitting and prediction effect. During 2005–2017, TB experienced an upward trend with obvious periodic and seasonal characteristics, peaking in spring and winter. The results showed that TB incidence was positively correlated with average relative humidity (ARH) with a 2-month lag (β = 1.889, p = 0.003), but negatively correlated with average atmospheric pressure (AAP) with a 1-month lag (β =  − 1.633, p = 0.012), average temperature (AT) with a 2-month lag (β =  − 0.093, p = 0.027), and average wind speed (AWS) with a 0-month lag (β =  − 13.221, p = 0.033), respectively. The SARIMA (3,1,0)(1,1,1)12, SARIMAX(3,1,0)(1,1,1)12, and SARIMAX(3,1,0)(1,1,1)12-NNARX(15,3) were considered preferred models based on the evaluation criteria. Of them, the SARIMAX-NNARX technique had smaller error values than the SARIMA and SARIMAX models in both fitting and forecasting aspects. The sensitivity analysis also revealed the robustness of the mixture forecasting model. Therefore, the SARIMAX-NNARX model by integrating meteorological variables can be used as an accurate method for forecasting the epidemic trends which would be great importance for TB prevention and control in the coming periods in Qinghai.

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All data were presented in our analytical results or please contact the first author or the corresponding author on reasonable request.

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Acknowledgements

We are grateful for all people who diagnosed and submitted the TB cases to the National Notifiable Infectious Disease Surveillance System.

Funding

This project was supported by the Innovation Project for College Students of Xinxiang Medical University (XYXSKYZ201932), the Key Scientific Research Project of Universities in Henan (21A330004), and the PhD Research Project of Xinxiang Medical University (XYBSKYZZ201805).

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Correspondence to Yongbin Wang.

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The authors declare no competing interests.

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Liang, W., Hu, A., Hu, P. et al. Estimating the tuberculosis incidence using a SARIMAX-NNARX hybrid model by integrating meteorological factors in Qinghai Province, China. Int J Biometeorol 67, 55–65 (2023). https://doi.org/10.1007/s00484-022-02385-0

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  • DOI: https://doi.org/10.1007/s00484-022-02385-0

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