Jacques Muthusi
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Author Swipe
View article: Prevalence of hepatitis B virus infection in Kenya: A study nested in the Kenya Population-based HIV Impact Assessment 2018
Prevalence of hepatitis B virus infection in Kenya: A study nested in the Kenya Population-based HIV Impact Assessment 2018 Open
Background Sub-Saharan Africa region bears the highest chronic hepatitis B virus (HBV) infection burden worldwide. National estimates of HBV burden are necessary for a viral hepatitis program planning. This study estimated the national pre…
View article: %diag_test: A Generic SAS Macro for Evaluating Diagnostic Accuracy Measures for Multiple Diagnostic Tests
%diag_test: A Generic SAS Macro for Evaluating Diagnostic Accuracy Measures for Multiple Diagnostic Tests Open
Background Measures of diagnostic test accuracy provide evidence of how well a test correctly identifies or rules-out disease. Commonly used diagnostic accuracy measures include sensitivity and specificity, predictive values, likelihood ra…
View article: A national household survey on HIV prevalence and clinical cascade among children aged ≤15 years in Kenya (2018)
A national household survey on HIV prevalence and clinical cascade among children aged ≤15 years in Kenya (2018) Open
We analyzed data from the 2018 Kenya Population-Based HIV Impact Assessment (KENPHIA), a cross-sectional, nationally representative survey, to estimate the burden and prevalence of pediatric HIV infection, identify associated factors, and …
View article: Methods for conducting trends analysis: roadmap for comparing outcomes from three national HIV Population-based household surveys in Kenya (2007, 2012, and 2018)
Methods for conducting trends analysis: roadmap for comparing outcomes from three national HIV Population-based household surveys in Kenya (2007, 2012, and 2018) Open
Background For assessing the HIV epidemic in Kenya, a series of independent HIV indicator household-based surveys of similar design can be used to investigate the trends in key indicators relevant to HIV prevention and control and to descr…
View article: <i>%svy_freqs</i>: A Generic SAS Macro for Creating Publication-Quality Three-Way Cross-Tabulations
<i>%svy_freqs</i>: A Generic SAS Macro for Creating Publication-Quality Three-Way Cross-Tabulations Open
Cross-tabulations are a simple but important tool for understanding the distribution of socio-demographic characteristics among participants in epidemiological studies. We developed a generic SAS macro, %svy_freqs, to create publication-qu…
View article: Methods for Conducting Trends Analysis: Roadmap for Comparing Outcomes from Three National HIV Population-Based Household Surveys in Kenya (2007, 2012, and 2018)
Methods for Conducting Trends Analysis: Roadmap for Comparing Outcomes from Three National HIV Population-Based Household Surveys in Kenya (2007, 2012, and 2018) Open
Background For assessing the HIV epidemic in Kenya, a series of independent HIV indicator household-based surveys of similar design can be used to assess trends in key indicators relevant to HIV prevention and control and to describe geogr…
View article: A Clinical Decision Support System is Associated with Reduced Loss to Follow-Up Among Patients Receiving HIV Treatment in Kenya: A Cluster Randomised Trial
A Clinical Decision Support System is Associated with Reduced Loss to Follow-Up Among Patients Receiving HIV Treatment in Kenya: A Cluster Randomised Trial Open
Background Loss to follow-up (LFTU) among HIV patients continues to be a major obstacle to achieving treatment goals with the risk of failure to achieve viral suppression and thereby increased HIV transmission. Although use of clinical dec…
View article: ART coverage and viral load suppression rates as correlates to HIV positivity in Kenya; Spatial-temporal analyses 2015-17
ART coverage and viral load suppression rates as correlates to HIV positivity in Kenya; Spatial-temporal analyses 2015-17 Open
IntroductionHigh antiretroviral therapy (ART) coverage and high rates of viral load suppression (VLS) should reduce transmission of HIV, and ultimately, HIV incidence and the number of new HIV diagnoses out of the number tested (HIV positi…
View article: <i>%svy_freqs:</i> A generic SAS macro for cross-tabulation between a factor and a by-group variable given a third variable and creating publication-quality tables using data from complex surveys
<i>%svy_freqs:</i> A generic SAS macro for cross-tabulation between a factor and a by-group variable given a third variable and creating publication-quality tables using data from complex surveys Open
Introduction In epidemiological studies, cross-tabulations are a simple but important tool for understanding the distribution of socio-demographic characteristics among study participants. They become more useful when comparisons are prese…
View article: %svy_logistic_regression: A generic SAS macro for simple and multiple logistic regression and creating quality publication-ready tables using survey or non-survey data
%svy_logistic_regression: A generic SAS macro for simple and multiple logistic regression and creating quality publication-ready tables using survey or non-survey data Open
The SAS code presented in this macro is comprehensive, easy to follow, manipulate and to extend to other areas of interest. It can also be incorporated quickly by the statistician for immediate use. It is an especially valuable tool for ge…
View article: <i>‘%svy_logistic_regression</i>: A generic SAS® macro for simple and multiple logistic regression and creating quality publication-ready tables using survey or non-survey data
<i>‘%svy_logistic_regression</i>: A generic SAS® macro for simple and multiple logistic regression and creating quality publication-ready tables using survey or non-survey data Open
Introduction Reproducible research is increasingly gaining interest in the research community. Automating the production of research manuscript tables from statistical software can help increase the reproducibility of findings. Logistic re…