Results 21 to 30 of about 1,030,986 (260)

HEPLA: A multicenter study on demographic and disease characteristics of patients with hepatitis C in Latin America

Annals of Hepatology, 2020
Introduction and objectives: Currently, there are limited data on the epidemiology and disease characteristics of patients with chronic hepatitis C (CHC) in Latin America.
Luis Viola, Sebastian Marciano, Luis Colombato, Henrique Coelho, Hugo Cheinquer, Gabriela Bugarin, Fernando Tatsch, Roberto J. Carvalho-Filho, Juan P. Roblero, Adriana Varon, Jaime Holguin, Maria R. Torres-Ibarra, Alma M. Pérez-Ríos   +12 more
doaj   +1 more source

Prognostic analysis of hidradenocarcinoma: a SEER-based observational study

Annals of Medicine, 2022
Background Hidradenocarcinoma is a rare malignancy of sweat gland differentiation. Published literature has reported that hidradenocarcinoma has a high recurrence and metastasis rate, and the prognosis is extremely poor.
Teng Gao, Sheng Pan, Meng Li, Runping Su
doaj   +1 more source

Interpretation of observational studies

American Journal of Orthodontics and Dentofacial Orthopedics, 2014
Ideally, the objective of a clinical trial is to determine with a high degree of certainty whether the intervention of interest is truly effective. In high-quality randomized trials, if the results indicate that the intervention is different compared with the comparator, the results are likely to be due to real treatment differences.
Polychronopoulou, A., Pandis, N.
openaire   +4 more sources

Safety belt and mobile phone usage in vehicles in Barcelona (Spain)

Gaceta Sanitaria, 2014
Objectives: To describe the prevalence and correlates of safety belt and mobile phone usage in vehicles in the city of Barcelona (Spain). Methods: We performed a study using direct observation with a cross-sectional design. We selected 2,442 private cars,
Jose M Martínez-Sánchez, Ariadna Curto, Marcela Fu, Cristina Martínez, Xisca Sureda, Montse Ballbè, Esteve Fernández   +6 more
doaj   +1 more source

Analysis of the effectiveness of long distance passes in 2014 Brazil FIFA World Cup

Revista Brasileira de Cineantropometria e Desempenho Humano, 2017
The aim of this study was to analyze the effectiveness of long distance passes performed during the 2014 Brazil FIFA World Cup. All 64 matches were analyzed, however, actions performed during overtime were not included in the sample.
Marcos Antônio Mattos dos Reis, Fabrício Vieira do Amaral Vasconcellos, Marcos Bezerra de Almeida   +2 more
doaj   +1 more source

RESEARCH METHODOLOGY SERIES Study design: the soul of the recipe for clinical research

Indian Journal of Kidney Diseases, 2022
A good research study begins with a good hypothesis. From the hypothesis arise the objectives of the study. The study design is the instrument to carry out the objective in the best possible manner.
Nivedita Kamath, PS Priyamvada, Arpana Iyengar   +2 more
doaj   +1 more source

A Retrospective Study of the Efficacy of Albendazole and Diethylcarbamazine for the Treatment of Human Toxocariasis

Pathogens, 2022
In the Department of Parasitology and Mycology of Toulouse University Hospitals, patients presenting with common/covert toxocariasis were treated either with albendazole (39 cases) or with diethylcarbamazine (32 cases).
Jean-François Magnaval, Judith Fillaux, Antoine Berry   +2 more
doaj   +1 more source

Status of dental caries and associated factors in Tibetan adults: findings from the fourth China National Oral Health Survey

BMC Oral Health, 2020
Background Tibet, a region where average elevation is above 3500 m and socio-economic development is relatively lower, was not included in National Oral Health Survey over decades.
Lingxia Guan, Jing Guo, Jinghao Ban, Gang Li, Juan Tong, Aiyun Chuan, Tian Tian, Bing Han, Kun Xuan, Shengchao Wang   +9 more
doaj   +1 more source

Overview of clinical study designs [PDF]

Clinical and Experimental Emergency Medicine
The goal of a clinical study is to determine the factors associated with a disease and to assess the efficacy and safety of an investigational drug, procedure, or device. Since clinical study designs vary due to unique requirements of individual studies,
Seonwoo Kim
doaj   +1 more source

Nested and multipart prospective observational studies, flaming fiasco or efficiently economical?: The Brain, Bone, Heart case study

BMC Medical Research Methodology, 2022
Background Collecting new data from cross-sectional/survey and cohort observational study designs can be expensive and time-consuming. Nested (hierarchically cocooned within an existing parent study) and/or Multipart (≥ 2 integrally interlinked projects)
C. Christina Mehta, Kimberly S. Hagen, Lauren F. Collins, Renee’ H. Moore, Ighovwerha Ofotokun   +4 more
doaj   +1 more source