Results 21 to 30 of about 2,068,929 (319)

Basics of statistics – 2: Types of clinical studies

Cancer Research, Statistics, and Treatment, 2020
Introduction: Statistics is an unpleasant but essential part of an oncologist's academic life. This review is an attempt to simplify the concept of various types of clinical studies.
H S Darling
doaj   +1 more source

Comparative risk of incidence and clinical outcomes of COVID-19 among proton pump inhibitor and histamine-2 receptor antagonist short-term users: a nationwide retrospective cohort study

BMC Pharmacology and Toxicology, 2022
Background This study aimed to evaluate incidence risk and adverse clinical outcomes in COVID-19 disease among short-term users of acid-suppressants in South Korea. Methods This retrospective cohort study, conducted using a nationwide claims database for
Jimyung Park, Seng Chan You, Jaehyeong Cho, Chan Hyuk Park, Woon Geon Shin, Rae Woong Park, Seung In Seo   +6 more
doaj   +1 more source

Use of ustekinumab after other biological therapies in moderate-severe psoriasis: Real long-term data [PDF]

Farmacia Hospitalaria, 2020
Objective: Ustekinumab is used in moderate-severe plaque psoriasis with inadequate response to anti- tumour necrosis factor α drugs. Recent studies support the need to assess real long-term data.
Manuel David Gil-Sierra, Esmeralda Ríos-Sánchez, María del Pilar Briceño-Casado   +2 more
doaj   +1 more source

Joint application of hybrid iterative reconstruction and adaptive filters on neck‐and‐shoulder CT imaging: A clinical evaluation

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose To assess whether the joint application of hybrid iterative reconstruction (HIR) and an adaptive filter (AF) could reduce streak artifacts and improve image quality of neck‐and‐shoulder computed tomography (CT). Methods This study included 96 patients with suspicious neck lesions who underwent a routine nonenhanced scan on a 64‐slice ...
Wenfeng Jin, Yifei Ma, Dan Han, Xiaojie Xie, Weiyuan Zhang, Yan Wu, Guozhi Zhang   +6 more
wiley   +1 more source

Clinical-histopathological profile of the frontal fibrosing alopecia: a retrospective study of 16 cases of a university hospital [PDF]

Anais Brasileiros de Dermatologia, 2019
: Background: Frontal fibrosing alopecia is a condition of unknown origin, histologically similar to classic lichen planopilaris and generally observed in postmenopausal women with alopecia of the frontal-temporal hairline.
Pedro Secchin, Danielle Carvalho Quintella, Nathalia Ávila de Oliveira Paula, Luana Cristina da Silva Andrade, Celso Tavares Sodré   +4 more
doaj   +2 more sources

Learning in the Large - An Exploratory Study of Retrospectives in Large-Scale Agile Development [PDF]

[1] Dings{\o}yr, T., Mikalsen, M., Solem, A., and Vestues, K., "Learning in the Large - An Exploratory Study of Retrospectives in Large-Scale Agile Development," in XP2018, Porto, Portugal, 2018, 2018
Many see retrospectives as the most important practice of agile software development. Previous studies of retrospectives have focused on pro- cess and outcome at team level. In this article, we study how a large-scale agile development project uses retrospectives through an analysis of retrospective reports identifying a total of 109 issues and 36 ...
arxiv   +1 more source

Impact of flexible noise control (FNC) image processing parameters on portable chest radiography

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract There is a lack of understanding in the performance of flexible noise control (FNC) processing, which is used in digital radiography on a scanner vendor and has four parameters each involving multiple options. The aim of this study was to investigate the impact of FNC on portable chest imaging. An anthropomorphic chest phantom was imaged using
Krystal M. Kirby, Liqiang Ren, Timothy R. Daly, Yasmeen K. Tandon, Brian J. Bartholmai, Beth A. Schueler, Zaiyang Long   +6 more
wiley   +1 more source

Clinical factors in patients with congenital muscular torticollis treated with surgical resection

Archives of Plastic Surgery, 2019
Background Congenital muscular torticollis (CMT) is characterized by persistent head tilt toward the affected side. No consensus exists regarding the cause of this disorder. In this study, we analyzed various clinical factors in patients with
Sue Min Kim, Bohwan Cha, Kwang Sik Jeong, Non Hyeon Ha, Myong Chul Park   +4 more
doaj   +1 more source

Volume staging for arteriovenous malformation SRS treatment using VMAT

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Volume staging involves dividing the target volume into smaller parts and treating each part separately. In this study, the feasibility of volume‐staged stereotactic radiosurgery (VS‐SRS) on a linear accelerator using volumetric modulated arc therapy (VMAT) and a frameless patient positioning system is investigated.
Claudia Mendez, Ermias Gete
wiley   +1 more source

The effectiveness of mapping-targeted biopsies on the index lesion in transperineal prostate biopsies [PDF]

International Brazilian Journal of Urology
Purpose: To evaluate the effectiveness of mapping-targeted biopsies (MTB) on the index lesion for the detection of clinically significant prostate cancer (csPCa) in transperineal fusion-image prostate biopsies.
Nahuel Paesano, Violeta Catalá, Larisa Tcholakian, Xavier Alomar, Miguel Barranco, Enric Trilla, Juan Morote   +6 more
doaj   +1 more source