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Association of availability of tap water system with admission rate after 30 days among burn injury patients: A nationwide population-based study.

  • Choong, Mun-Yau1
  • Tou, Sio-Ian2
  • Chang, Chia-Ling3
  • Kuo, Yu-Hung4
  • Huang, Chia-Yu5
  • 1 Department of Surgery, China Medical University Beigang Hospital, Beigang Township, Yunlin County, Taiwan; School of Medicine, China Medical University, Taichung, Taiwan. , (China)
  • 2 Department of Pediatrics, Chung Kang Branch, Cheng-Ching General Hospital, Taichung, Taiwan. , (Taiwan)
  • 3 Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan; College of Medicine, China Medical University, Taichung, Taiwan. , (China)
  • 4 Department of Research, Taichung Tzu Chi Hospital, Taichung, Taiwan. , (Taiwan)
  • 5 Department of Family Medicine, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan; Graduate Institute of Chinese Medicine, School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan. Electronic address: [email protected] , (China)
Published Article
Burns : journal of the International Society for Burn Injuries
Publication Date
Dec 01, 2020
DOI: 10.1016/j.burns.2020.06.017
PMID: 32631653


We investigated whether the availability of a tap water supply system is associated with lowering the admission rate 30 days after burn injury. We analysed data from the Longitudinal Health Insurance Database 2000 from the National Health Research Institutes. It contains a random sample of 1,000,000 subjects out of 22 million beneficiaries of the National Health Insurance of Taiwan from 1996 to 2010. The included patients were diagnosed twice with burn injuries in local medical departments. The odds ratios and 95% confidence intervals were estimated by logistic regression model to evaluate the correlations of baseline characteristics and comorbidities. A total of 5,996 patients were identified after 1:1 propensity score matching. They had similar basic characteristics. Ultimately, 96 patients in the case cohort (1.10 per 1,000 person-years) and 58 patients in the control cohort (0.66 per 1,000 person-years) were admitted 30 days after a burn injury (adjusted hazard ratio 1.67, 95% confidence interval 1.21-2.32). A lower incidence of admission because of burn injury was found in the control cohort (log-rank test, p = 0.019). The advantageous effect of a well-equipped tap water system on a lower admission rate in burn patients was independent of comorbidities. The results of this study demonstrated the association between lowering the admission rate at 30 days in burn patients in Taiwan and using a well-equipped tap water system. It also could offer important information to the government for enhancing the availability of tap water system in those areas lack adequate tap water supply which is useful to protect burn patients from following admission. Copyright © 2020 Elsevier Ltd and ISBI. All rights reserved.

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