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Pyogenic liver abscess as endemic disease, Taiwan.

Tsai FC, Huang YT, Chang LY, Wang JT - Emerging Infect. Dis. (2008)

Bottom Line: Diabetes, malignancy, renal disease, and pneumonia were associated with a higher risk for the disease.Renal disease, malignancy, pneumonia, and heart disease correlated with higher death rates; Klebsiella pneumoniae infection and therapeutic procedures were related to lower death rates.Diabetes did not significantly change death rates for the 506 patients from the hospital.

View Article: PubMed Central - PubMed

Affiliation: National Taiwan University Hospital, Taipei, Taiwan.

ABSTRACT
Pyogenic liver abscess has become a health problem in Taiwanese society. However, the extent of this problem has remained unclear because of the lack of a population-based study. We therefore performed a nationwide analysis of pyogenic liver abscess in Taiwan from 1996 through 2004. We analyzed 29,703 cases from the Taiwan National Health Insurance database and 506 cases from National Taiwan University Hospital. Our analysis showed that the annual incidence of pyogenic liver abscess increased steadily from 11.15/100,000 population in 1996 to 17.59/100,000 in 2004. Diabetes, malignancy, renal disease, and pneumonia were associated with a higher risk for the disease. By contrast, death due to pyogenic liver abscess decreased over time, although population-based abscess-related death increased slightly. Renal disease, malignancy, pneumonia, and heart disease correlated with higher death rates; Klebsiella pneumoniae infection and therapeutic procedures were related to lower death rates. Diabetes did not significantly change death rates for the 506 patients from the hospital.

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Incidence of pyogenic liver abscess in Taiwan, showing a steady increase from 1996 to 2004. The incidence is expressed as the number of new cases reported from the population (the National Health Insurance database) per year. A) The linear increase of the primary incidence data (raw incidence) with the year can be described by this formula: incidence (×1/100,000) = 0.860 × year – 1704.66 (r = 0.978, p<0.001). B) The linear increase of the standardized incidence data (the incidence normalized according to the age distribution of the population) with the year can be described by this formula: incidence (×1/100,000) = 0.512 × year – 1010.68 (r = 0.923, p<0.001). r, Pearson correlation coefficient.
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Figure 2: Incidence of pyogenic liver abscess in Taiwan, showing a steady increase from 1996 to 2004. The incidence is expressed as the number of new cases reported from the population (the National Health Insurance database) per year. A) The linear increase of the primary incidence data (raw incidence) with the year can be described by this formula: incidence (×1/100,000) = 0.860 × year – 1704.66 (r = 0.978, p<0.001). B) The linear increase of the standardized incidence data (the incidence normalized according to the age distribution of the population) with the year can be described by this formula: incidence (×1/100,000) = 0.512 × year – 1010.68 (r = 0.923, p<0.001). r, Pearson correlation coefficient.

Mentions: The gross incidence of pyogenic liver abscess from 1996 through 2004 was 14.87 cases/100,000 population/year (17.94 male cases/100,000 population and 11.65 female cases/100,000 population). The annual increase of incidence was 0.86 cases/100,000 population (r = 0.98, p<0.001) (Figure 2, panel A). When we calculated age-standardized incidences, the increase rate was 0.51 cases/100,000 population/year (r = 0.92, p<0.001) (Figure 2, panel B). The age of highest incidence in men was in those 80–84 years of age (86.71 cases/100,000 population); for women, the highest incidence was in those 85–89 years of age (79.80 cases/100,000 population).


Pyogenic liver abscess as endemic disease, Taiwan.

Tsai FC, Huang YT, Chang LY, Wang JT - Emerging Infect. Dis. (2008)

Incidence of pyogenic liver abscess in Taiwan, showing a steady increase from 1996 to 2004. The incidence is expressed as the number of new cases reported from the population (the National Health Insurance database) per year. A) The linear increase of the primary incidence data (raw incidence) with the year can be described by this formula: incidence (×1/100,000) = 0.860 × year – 1704.66 (r = 0.978, p<0.001). B) The linear increase of the standardized incidence data (the incidence normalized according to the age distribution of the population) with the year can be described by this formula: incidence (×1/100,000) = 0.512 × year – 1010.68 (r = 0.923, p<0.001). r, Pearson correlation coefficient.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2609891&req=5

Figure 2: Incidence of pyogenic liver abscess in Taiwan, showing a steady increase from 1996 to 2004. The incidence is expressed as the number of new cases reported from the population (the National Health Insurance database) per year. A) The linear increase of the primary incidence data (raw incidence) with the year can be described by this formula: incidence (×1/100,000) = 0.860 × year – 1704.66 (r = 0.978, p<0.001). B) The linear increase of the standardized incidence data (the incidence normalized according to the age distribution of the population) with the year can be described by this formula: incidence (×1/100,000) = 0.512 × year – 1010.68 (r = 0.923, p<0.001). r, Pearson correlation coefficient.
Mentions: The gross incidence of pyogenic liver abscess from 1996 through 2004 was 14.87 cases/100,000 population/year (17.94 male cases/100,000 population and 11.65 female cases/100,000 population). The annual increase of incidence was 0.86 cases/100,000 population (r = 0.98, p<0.001) (Figure 2, panel A). When we calculated age-standardized incidences, the increase rate was 0.51 cases/100,000 population/year (r = 0.92, p<0.001) (Figure 2, panel B). The age of highest incidence in men was in those 80–84 years of age (86.71 cases/100,000 population); for women, the highest incidence was in those 85–89 years of age (79.80 cases/100,000 population).

Bottom Line: Diabetes, malignancy, renal disease, and pneumonia were associated with a higher risk for the disease.Renal disease, malignancy, pneumonia, and heart disease correlated with higher death rates; Klebsiella pneumoniae infection and therapeutic procedures were related to lower death rates.Diabetes did not significantly change death rates for the 506 patients from the hospital.

View Article: PubMed Central - PubMed

Affiliation: National Taiwan University Hospital, Taipei, Taiwan.

ABSTRACT
Pyogenic liver abscess has become a health problem in Taiwanese society. However, the extent of this problem has remained unclear because of the lack of a population-based study. We therefore performed a nationwide analysis of pyogenic liver abscess in Taiwan from 1996 through 2004. We analyzed 29,703 cases from the Taiwan National Health Insurance database and 506 cases from National Taiwan University Hospital. Our analysis showed that the annual incidence of pyogenic liver abscess increased steadily from 11.15/100,000 population in 1996 to 17.59/100,000 in 2004. Diabetes, malignancy, renal disease, and pneumonia were associated with a higher risk for the disease. By contrast, death due to pyogenic liver abscess decreased over time, although population-based abscess-related death increased slightly. Renal disease, malignancy, pneumonia, and heart disease correlated with higher death rates; Klebsiella pneumoniae infection and therapeutic procedures were related to lower death rates. Diabetes did not significantly change death rates for the 506 patients from the hospital.

Show MeSH
Related in: MedlinePlus