Parametric multistate survival models: flexible modelling allowing transition‐specific distributions with application to estimating clinically useful measures of effect …

MJ Crowther, PC Lambert - Statistics in medicine, 2017 - Wiley Online Library
Multistate models are increasingly being used to model complex disease profiles. By
modelling transitions between disease states, accounting for competing events at each …

The need for second-line antiretroviral therapy in adults in sub-Saharan Africa up to 2030: a mathematical modelling study

J Estill, N Ford, L Salazar-Vizcaya, AD Haas… - The Lancet …, 2016 - thelancet.com
Background The number of patients in need of second-line antiretroviral drugs is increasing
in sub-Saharan Africa. We aimed to project the need of second-line antiretroviral therapy in …

Calibration plots for multistate risk predictions models

A Pate, M Sperrin, RD Riley, N Peek… - Statistics in …, 2024 - Wiley Online Library
Introduction There is currently no guidance on how to assess the calibration of multistate
models used for risk prediction. We introduce several techniques that can be used to …

[HTML][HTML] Tuberculosis in Cape Town: an age-structured transmission model

N Blaser, C Zahnd, S Hermans, L Salazar-Vizcaya… - Epidemics, 2016 - Elsevier
Background Tuberculosis (TB) is the leading cause of death in South Africa. The burden of
disease varies by age, with peaks in TB notification rates in the HIV-negative population at …

Combination HIV prevention during pregnancy and the post‐partum period in Malawi and Zambia: a mathematical modelling analysis

KA Powers, W Mutale, NE Rosenberg… - Journal of the …, 2023 - Wiley Online Library
Introduction Despite widespread success in reducing vertical HIV transmission, most
antenatal care (ANC) programmes in eastern and southern Africa have not emphasized …

[HTML][HTML] Modelling the impact of deferring HCV treatment on liver-related complications in HIV coinfected men who have sex with men

C Zahnd, L Salazar-Vizcaya, JF Dufour, B Müllhaupt… - Journal of …, 2016 - Elsevier
Background & Aims Hepatitis C (HCV) is a leading cause of morbidity and mortality in
people who live with HIV. In many countries, access to direct acting antiviral agents to treat …

[HTML][HTML] Simcausal r package: conducting transparent and reproducible simulation studies of causal effect estimation with complex longitudinal data

O Sofrygin, MJ van der Laan… - Journal of statistical …, 2017 - ncbi.nlm.nih.gov
The simcausal R package is a tool for specification and simulation of complex longitudinal
data structures that are based on non-parametric structural equation models. The package …

Impact of limited sample size and follow-up on single event survival extrapolation for health technology assessment: a simulation study

JM Beca, KKW Chan, DMJ Naimark… - BMC Medical Research …, 2021 - Springer
Introduction Extrapolation of time-to-event data from clinical trials is commonly used in
decision models for health technology assessment (HTA). The objective of this study was to …

Comparative cost-effectiveness of Option B+ for prevention of mother-to-child transmission of HIV in Malawi

H Tweya, O Keiser, AD Haas, L Tenthani, S Phiri… - AIDS, 2016 - journals.lww.com
Objective: To estimate the cost-effectiveness of prevention of mother-to-child transmission
(MTCT) of HIV with lifelong antiretroviral therapy (ART) for pregnant and breastfeeding …

Single‐cell RNA‐seq and bulk RNA‐seq explore the prognostic value of exhausted T cells in hepatocellular carcinoma

X Tang, Y Miao, L Yang, W Ha, Z Li, D Mi - IET Systems Biology, 2023 - Wiley Online Library
Hepatocellular carcinoma (HCC) remains a worldwide health problem. Mounting evidence
indicates that exhausted T cells play a critical role in the progress and treatment of HCC …