Results 1 to 10 of about 21,159 (70)

Analysis of reasons for loss to follow up in a prospective study in Chandigarh, India and impact from telecom changes

BMC Research Notes, 2021
Objective Mobile phones are used in research studies, to enroll and follow-up participants, collect data, and implement mHealth initiatives. We conducted a longitudinal study in a birth cohort, where infants were required to make four scheduled visits by
Joseph L. Mathew, Pooja N. Patel, Abram L. Wagner, Vanita Suri, Bhavneet Bharti, Bradley F. Carlson, Matthew L. Boulton   +6 more
doaj   +1 more source

Does time to loss to follow-up differ among adult tuberculosis patients initiated on tuberculosis treatment and care between general hospital and health centers? A retrospective cohort study

Tropical Medicine and Health, 2020
Background Patients’ loss to follow-up (LTFU) from tuberculosis treatment and care is a growing worry in Ethiopia. But, available information is inadequate in assessing the time to tuberculosis patient loss to follow-up difference between health centers ...
Tamrat Shaweno, Masrie Getnet, Chaltu Fikru   +2 more
doaj   +1 more source

Factors associated with loss to follow-up among people with tuberculosis in the country of Georgia: a cohort study

Monaldi Archives for Chest Disease, 2021
Despite having universal access to tuberculosis (TB) treatment, loss to follow-up (LFU) rates remain high in Georgia, 6% among drug-susceptible TB (DS-TB) patients (2017 cohort) and 19% among drug-resistant TB (DR-TB) patients diagnosed in 2016. A cohort
Natalia Adamashvili, Kristina Akopyan, Nestani Tukvadze, Kostyantyn Dumchev, Yuliia Sereda, Irma Khonelidze, Giorgi Kuchukhidze   +6 more
doaj   +1 more source

Prevalence and reasons of loss to follow-up in HIV clinics: a systematic review of current evidence

HIV & AIDS Review. International Journal of HIV-Related Problems, 2022
Introduction: Loss to follow-up (LTFU) slows the progress in reaching the goals of human immunodeficiency virus (HIV) prevention and treatment. Therefore, it is important to understand the causes behind this phenomena.
SeyedAhmad SeyedAlinaghi, Amirali Karimi, Alireza Barzegary, Zahra Pashaei, Ghazal Zargari, Shaghayegh Kianzad, Mehrzad MohsseniPour, Pegah Mirzapour, Amirata Fakhfouri, Esmaeil Mehraeen, Omid Dadras   +10 more
doaj   +1 more source

Basic principles of sample size calculation

Journal of the Practice of Cardiovascular Sciences, 2020
The calculation of sample size helps a medical researcher to assess cost, time, and feasibility of his project besides scientific justification and validity. Although frequently reported in journals, the details or the elements of sample size calculation
Shivam Pandey
doaj   +1 more source

Proportion and reasons for loss to follow-up in a cohort study of people who inject drugs to measure HIV and HCV incidence in Kerman, Iran

Substance Abuse Treatment, Prevention, and Policy, 2021
Background Understanding the reasons for loss to follow-up (LTFU) in cohort studies, especially among marginalized groups such as people who inject drugs (PWID), is needed to strengthen the rigor of efficacy trials for prevention and treatment ...
Ghazal Mousavian, Nima Ghalekhani, Fatemeh Tavakoli, Willi McFarland, Armita Shahesmaeili, Heidar Sharafi, Mehrdad Khezri, Soheil Mehmandoost, Jasem Zarei, Hamid Sharifi, Ali Mirzazadeh   +10 more
doaj   +1 more source

A study on the factors affecting the follow-up participation in birth cohorts [PDF]

Environmental Health and Toxicology, 2016
Objectives A stable follow-up participation rate is a very important factor for validity in a cohort study. This study analyzed the factors that affect the participation rate at one hospital-based birth cohort in South Korean.
Bohyun Park, Eun Jeung Choi, Eunhee Ha, Jong Hyuk Choi, Yangho Kim, Yun-Chul Hong, Mina Ha, Hyesook Park   +7 more
doaj   +1 more source

Predictors of loss to follow-up in art experienced patients in Nigeria: a 13 year review (2004–2017)

AIDS Research and Therapy, 2019
Background Expanded access to antiretroviral therapy (ART) leads to improved HIV/AIDS treatment outcomes in Nigeria, however, increasing rates of loss to follow-up among those on ART is threatening optimal standard achievement.
Ahmad Aliyu, Babatunde Adelekan, Nifarta Andrew, Eunice Ekong, Stephen Dapiap, Fati Murtala-Ibrahim, Iboro Nta, Nicaise Ndembi, Charles Mensah, Patrick Dakum   +9 more
doaj   +1 more source

Driving distances and loss to follow‐up after hematopoietic cell transplantation

eJHaem, 2021
In a recent multicenter analysis, long geographic distances predicted loss to follow‐up (LTF) among allogeneic hematopoietic cell transplantation (HCT) survivors.
Rahul Banerjee, Alison W. Loren
doaj   +1 more source

Challenges with tracing patients on antiretroviral therapy who are late for clinic appointments in rural South Africa and recommendations for future practice

Global Health Action, 2020
Background: It is common practice for HIV programmes to routinely trace patients who are late for a scheduled clinic visit to ensure continued care engagement.
David Etoori, Alison Wringe, Jenny Renju, Chodziwadziwa Whiteson Kabudula, Francesc Xavier Gomez-Olive, Georges Reniers   +5 more
doaj   +1 more source