Results 31 to 40 of about 2,021,769 (367)

Causal effect of chemotherapy received dose intensity on survival outcome: a retrospective study in osteosarcoma [PDF]

BMC Medical Research Methodology 24, 296 (2024), 2023
This study aims to analyse the effects of reducing Received Dose Intensity (RDI) in chemotherapy treatment for osteosarcoma patients on their survival by using a novel approach. In this scenario, toxic side effects are risk factors for mortality and predictors of future exposure levels, introducing post-assignment confounding.
arxiv   +1 more source

Tuberculosis and homelessness in Montreal: a retrospective cohort study [PDF]

BMC Public Health, 2011
Abstract Background Montreal is Canada's second-largest city, where mean annual tuberculosis (TB) incidence from 1996 to 2007 was 8.9/100,000. The objectives of this study were to describe the epidemiology of TB among homeless persons in Montreal and assess patterns of transmission and sharing of key locations.
Fiona McIntosh, Carmine Rossi, Paul Rivest, Jason Tan de Bibiana, Alice Zwerling, Dick Menzies, Louise Thibert, Marcel A. Behr, Marcel A. Behr, Kevin Schwartzman   +9 more
openaire   +4 more sources

Mitotane-Induced Hyperlipidemia: A Retrospective Cohort Study [PDF]

International Journal of Endocrinology, 2013
Limited data are available about mitotane-nduced hyperlipidemia. We retrospectively analyzed lipid data in 38 patients with adrenocortical carcinoma (ACC) who received mitotane therapy with emphasis on HDL cholesterol (HDL-c) and clinical predictors of lipid changes. At baseline, the mean levels of HDL-c, LDL-c, and triglycerides were 53.3 mg/dL, 114.4 
Hassan Shawa, Ferhat Deniz, Hadil Bazerbashi, Mike Hernandez, Rena Vassilopoulou-Sellin, Camilo Jimenez, Mouhammed Amir Habra   +6 more
openaire   +4 more sources

Rheumatoid arthritis increases the risk of pleural empyema

Open Medicine, 2020
Rheumatoid arthritis (RA) can lead to various pulmonary manifestations. Evidence shows the possible association between RA and pleural empyema.
Liao Kuang-Ming, Lin Cheng-Li, Shen Te-Chun   +2 more
doaj   +1 more source

Cardiovascular and neuropsychiatric risks of varenicline: a retrospective cohort study [PDF]

The Lancet Respiratory Medicine, 2015
Varenicline is an effective pharmacotherapy to aid smoking cessation. However, its use is limited by continuing concerns about possible associated risks of serious adverse cardiovascular and neuropsychiatric events. The aim of this study was to investigate whether use of varenicline is associated with such events.In this retrospective cohort study, we ...
Robert West, Onno C. P. van Schayck, Onno C. P. van Schayck, Colin R Simpson, Wolfgang Viechtbauer, Daniel Kotz, Aziz Sheikh, Aziz Sheikh, Aziz Sheikh   +8 more
openaire   +6 more sources

Immunity to rubella: an Italian retrospective cohort study [PDF]

BMC Public Health, 2019
Abstract Background International guidelines recommend that healthcare workers (HCWs) have presumptive evidence of immunity to rubella and that susceptible HCWs and doubt cases receive two doses of the MMR vaccine. However, a small percentage of the fully immunized will remain unprotected against wild viruses. Moreover, protective levels of antibodies
Francesco Paolo Bianchi, Sara De Nitto, Pasquale Stefanizzi, Angela Maria Vittoria Larocca, Cinzia Annatea Germinario, Silvio Tafuri   +5 more
openaire   +5 more sources

Effect of musculature on mortality, a retrospective cohort study

BMC Cancer, 2022
Abstract Background While often life-saving, treatment for head and neck cancer (HNC) can be debilitating resulting in unplanned hospitalization. Hospitalizations in cancer patients may disrupt treatment and result in poor outcomes. Pre-treatment muscle quality and quantity ascertained through diagnostic imaging may help
Shaver, Amy L, Platek, Mary E, Singh, Anurag K, Ma, Sung Jun, Farrugia, Mark, Wilding, Gregory, Ray, Andrew D, Ochs-Balcom, Heather M, Noyes, Katia   +8 more
openaire   +3 more sources

Retrospective cohort study on risk factors for development of gestational diabetes among mothers attending antenatal clinics in Nairobi County

The Pan African Medical Journal, 2016
INTRODUCTION: World Health Organization estimates that deaths resulting from diabetes will rise above 50% by the 2020; hence urgent action is needed to reverse the trend notably through nutrition and lifestyle intervention among populations at risks ...
Maureen Atieno Adoyo, Charles Mbakaya, Venny Nyambati, Yeri Kombe   +3 more
doaj   +1 more source

Relative risk of metabolic syndrome among Iran Polyacryl Corporation shift workers: A retrospective cohort study

International Journal of Environmental Health Engineering, 2013
Aims: The aim of this study was to assess the effect of shift work on metabolic syndrome in Iran Polyacryl Corporation workers. Materials and Methods: This retrospective cohort study was conducted on Iran Polyacryl Corporation workers for 10 years.
Mehri Rejali, Ali Hosseinzade, Mohammad Reza Maracy, Javad Sanati   +3 more
doaj   +1 more source

Causal Meta-Analysis by Integrating Multiple Observational Studies with Multivariate Outcomes [PDF]

arXiv, 2023
Integrating multiple observational studies to make unconfounded causal or descriptive comparisons of group potential outcomes in a large natural population is challenging. Moreover, retrospective cohorts, being convenience samples, are usually unrepresentative of the natural population of interest and have groups with unbalanced covariates.
arxiv