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. 2018 Jan 23;15(2):177.
doi: 10.3390/ijerph15020177.

Demographic and Urbanization Disparities of Liver Transplantation in Taiwan

Pei-Hung Wen  1   2 , Chin-Li Lu  3 , Carol Strong  4 , Yih-Jyh Lin  5 , Yao-Li Chen  6   7 , Chung-Yi Li  8   9 , Chiang-Chin Tsai  10   11
Affiliations

Demographic and Urbanization Disparities of Liver Transplantation in Taiwan

Pei-Hung Wen et al. Int J Environ Res Public Health. .

Abstract

Limited access to or receipt of liver transplantation (LT) may jeopardize survival of patients with end-stage liver diseases. Taiwan launched its National Health Insurance (NHI) program in 1995, which essentially removes financial barriers to health care. This study aims to investigate where there are still demographic and urbanization disparities of LT after 15 years of NHI program implementation. Data analyzed in this study were retrieved from Taiwan's NHI inpatient claims. A total of 3020 people aged ≥18 years received LT between 2000 and 2013. We calculated crude and adjusted prevalence rate of LT according to secular year, age, sex, and urbanization. The multiple Poisson regression model was further employed to assess the independent effects of demographics and urbanization on prevalence of LT. The biennial number of people receiving LT substantially increased from 56 in 2000-2001 to 880 in 2012-2013, representing a prevalence rate of 1.63 and 18.58 per 10⁶, respectively. Such increasing secular trend was independent of sex. The prevalence was consistently higher in men than in women. The prevalence also increased with age in people <65 years, but dropped sharply in the elderly (≥65 years) people. We noted a significant disparity of LT in areas with different levels of urbanization. Compared to urban areas, satellite (prevalence rate ratio (PRR), 0.63, 95% confidence interval (CI), 0.57-0.69) and rural (PRR, 0.76, 95% CI, 0.69-0.83) areas were both associated with a significantly lower prevalence of LT. There are still significant demographic and urbanization disparities in LT after 15 years of NHI program implementation. Given the predominance of living donor liver transplantation in Taiwan, further studies should be conducted to investigate factors associated with having a potential living donor for LT.

Keywords: demographics; descriptive epidemiology; liver transplantation; prevalence rate; urbanization.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Overall (sex-age-standardized) and sex-specific (age-standardized) biennial prevalence of liver transplantation in Taiwan, 2000–2013.
Figure 2
Figure 2
Sex-age-specific biennial prevalence of liver transplantation in Taiwan, 2000–2013.
Figure 3
Figure 3
Sex-age-standardized biennial prevalence of liver transplantation in Taiwan, 2000–2013, according to level of urbanization.
Figure 4
Figure 4
Age-standardized biennial prevalence rates of liver transplantation for men and women living with different levels of urbanization.
See this image and copyright information in PMC

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