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Epidemiology and factors associated with amoebic liver abscess in northern Sri Lanka

Overview of attention for article published in BMC Public Health, January 2018
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Title
Epidemiology and factors associated with amoebic liver abscess in northern Sri Lanka
Published in
BMC Public Health, January 2018
DOI 10.1186/s12889-018-5036-2
Pubmed ID
Authors

Selvam Kannathasan, Arumugam Murugananthan, Thirunavukarasu Kumanan, Nilanthi Renuka de Silva, Nadarajah Rajeshkannan, Rashidul Haque, Devika Iddawela

Abstract

Clinically diagnosed amoebic liver abscess (ALA) caused by Entamoeba histolytica has been an important public health problem in Jaffna district, northern Sri Lanka for last three decades. In order to draw up a control strategy for elimination of this condition, knowledge of its epidemiology and factors associated with this condition in the local context is vital. All clinically diagnosed ALA patients admitted to the Teaching Hospital, Jaffna during the study period were included in the study and the data were collected using an interviewer administered questionnaire. One hundred blood samples from randomly selected toddy (a local alcoholic drink consisting of the fermented sap of the Palmyrah palm) consumers and 200 toddy samples were collected. Toddy samples were cultured in Robinson's medium to establish the presence of Entamoeba histolytica in the sample. Climatic data and the total toddy sales in the district were obtained from the Meteorological and Excise Departments respectively. A sub group of randomly selected 100 patients were compared with 100 toddy consumers who were negative for E. histolytica antibody to explore the potential risk factors. Between July 2012 and July 2015, 346 of 367 ALA patients were enrolled in this study. Almost all patients (98.6%) were males with a history of heavy consumption of alcohol (100%). Almost all (94.2%) were within the age group 31-50 years. None of the cultured toddy samples grew E. histolytica. The monthly incidence of disease peaked in the dry season, matching the total toddy sales in the district. Age, type of alcohol and frequency of drinking were identified as potential risk factors whereas frequency of alcohol consumption and type of alcohol (consuming toddy and arrack) were identified as the independent risk factors. Moreover, the knowledge, attitude and practices towards ALA were poor among participants and the control group. Though the number of cases has declined in recent years, ALA still remains as an important public health problem in Jaffna district. The transmission route of E. histolytica leading to ALA has to be further explored. Moreover, greater awareness among the public who are at risk would be beneficial in order to eliminate the disease.

Twitter Demographics

The data shown below were collected from the profiles of 3 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 50 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 50 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 16%
Other 7 14%
Student > Ph. D. Student 4 8%
Student > Bachelor 4 8%
Student > Postgraduate 3 6%
Other 14 28%
Unknown 10 20%
Readers by discipline Count As %
Medicine and Dentistry 15 30%
Economics, Econometrics and Finance 4 8%
Immunology and Microbiology 3 6%
Social Sciences 3 6%
Agricultural and Biological Sciences 2 4%
Other 9 18%
Unknown 14 28%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 January 2018.
All research outputs
#7,488,875
of 12,422,276 outputs
Outputs from BMC Public Health
#6,042
of 8,477 outputs
Outputs of similar age
#187,207
of 359,795 outputs
Outputs of similar age from BMC Public Health
#478
of 657 outputs
Altmetric has tracked 12,422,276 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 8,477 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.7. This one is in the 25th percentile – i.e., 25% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 359,795 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 657 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.