Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013

The routine tuberculosis (TB) surveillance system in Cambodia has been strengthened under the National TB Programme (NTP). This paper provides an overview of the TB surveillance data for Cambodia at the national level for the period 2000 to 2013 and at the subnational level for 2013. The proporti...

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Main Authors: Fukushi Morishita, Valérie Burrus Furphy, Miwako Kobayashi, Nobuyuki Nishikiori, Mao Tan Eang, Rajendra-Prasad Yadav
Format: Article
Language:English
Published: World Health Organization Regional Office for the Western Pacific 2015-02-01
Series:Western Pacific Surveillance and Response
Subjects:
Online Access:http://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/289/449
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spelling doaj-b16c3df0a70f4ed4a43dbec563439bbb2021-03-02T10:48:29ZengWorld Health Organization Regional Office for the Western PacificWestern Pacific Surveillance and Response2094-73212094-73132015-02-0161152410.5365/wpsar.2014.5.4.005Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013Fukushi Morishita0Valérie Burrus Furphy1Miwako Kobayashi2Nobuyuki Nishikiori3Mao Tan Eang4Rajendra-Prasad Yadav5World Health Organization Regional Office for the Western Pacific, Manila, PhilippinesOffice of the WHO Representative in Cambodia, Phnom Penh, CambodiaOffice of the WHO Representative in Cambodia, Phnom Penh, CambodiaWorld Health Organization Regional Office for the Western Pacific, Manila, PhilippinesNational Center for Tuberculosis and Leprosy Control, Ministry of Health, Phnom Penh, CambodiaOffice of the WHO Representative in Cambodia, Phnom Penh, CambodiaThe routine tuberculosis (TB) surveillance system in Cambodia has been strengthened under the National TB Programme (NTP). This paper provides an overview of the TB surveillance data for Cambodia at the national level for the period 2000 to 2013 and at the subnational level for 2013. The proportion of the total population that were screened for TB rose from 0.4% in 2001 to 1.1% in 2013, while the smear-positivity rate decreased from 28.9% to 8.1% in the same period. The total number of notified TB cases increased steadily from 2000; this has stabilized in recent years with 39 055 cases notified in 2013. The proportion of all TB cases that were smear-positive decreased from 78% in 2000 to 36% in 2013. Case notification rates (CNRs) for all forms of TB and new smear-positive TB in 2013 were 261 and 94 per 100 000 population, respectively. Higher CNRs were found in the north-west and south-east parts of the country and were higher for males especially in older age groups. The increase in TB screening, decline in the smear-positive rate and decline in notified smear-positive TB cases likely reflect a long-term positive impact of the NTP. A negative correlation between the proportion of the population screened and the smear-positivity rate at the subnational level helped identify where to find undiagnosed cases. Subnational differences in case notification of the elderly and in children provide more specific targets for case-finding and further encourage strategic resource allocation.http://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/289/449TuberculosisTB case notification dataTB in Cambodia
collection DOAJ
language English
format Article
sources DOAJ
author Fukushi Morishita
Valérie Burrus Furphy
Miwako Kobayashi
Nobuyuki Nishikiori
Mao Tan Eang
Rajendra-Prasad Yadav
spellingShingle Fukushi Morishita
Valérie Burrus Furphy
Miwako Kobayashi
Nobuyuki Nishikiori
Mao Tan Eang
Rajendra-Prasad Yadav
Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
Western Pacific Surveillance and Response
Tuberculosis
TB case notification data
TB in Cambodia
author_facet Fukushi Morishita
Valérie Burrus Furphy
Miwako Kobayashi
Nobuyuki Nishikiori
Mao Tan Eang
Rajendra-Prasad Yadav
author_sort Fukushi Morishita
title Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
title_short Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
title_full Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
title_fullStr Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
title_full_unstemmed Tuberculosis case-finding in Cambodia: analysis of case notification data, 2000 to 2013
title_sort tuberculosis case-finding in cambodia: analysis of case notification data, 2000 to 2013
publisher World Health Organization Regional Office for the Western Pacific
series Western Pacific Surveillance and Response
issn 2094-7321
2094-7313
publishDate 2015-02-01
description The routine tuberculosis (TB) surveillance system in Cambodia has been strengthened under the National TB Programme (NTP). This paper provides an overview of the TB surveillance data for Cambodia at the national level for the period 2000 to 2013 and at the subnational level for 2013. The proportion of the total population that were screened for TB rose from 0.4% in 2001 to 1.1% in 2013, while the smear-positivity rate decreased from 28.9% to 8.1% in the same period. The total number of notified TB cases increased steadily from 2000; this has stabilized in recent years with 39 055 cases notified in 2013. The proportion of all TB cases that were smear-positive decreased from 78% in 2000 to 36% in 2013. Case notification rates (CNRs) for all forms of TB and new smear-positive TB in 2013 were 261 and 94 per 100 000 population, respectively. Higher CNRs were found in the north-west and south-east parts of the country and were higher for males especially in older age groups. The increase in TB screening, decline in the smear-positive rate and decline in notified smear-positive TB cases likely reflect a long-term positive impact of the NTP. A negative correlation between the proportion of the population screened and the smear-positivity rate at the subnational level helped identify where to find undiagnosed cases. Subnational differences in case notification of the elderly and in children provide more specific targets for case-finding and further encourage strategic resource allocation.
topic Tuberculosis
TB case notification data
TB in Cambodia
url http://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/289/449
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