Results 31 to 40 of about 76,600 (323)

Mahalanobis' distance and propensity score to construct a controlled matched group in a Brazilian study of health promotion and social determinants

Revista Brasileira de Epidemiologia, 2014
In observational epidemiology it is usual to select a control group to study the effects of certain exposures on human health. Intervention studies are well known among epidemiologists but it is not very frequent in other areas of research. In this paper
Valéria Troncoso Baltar, Clóvis Arlindo de Sousa, Marcia Faria Westphal   +2 more
doaj   +1 more source

Intra- and inter-examiner Reliability of Direct Facial Soft Tissue Measurements Using Digital Calipers [PDF]

, 2012
Background: The objective of this study is to determine if facial soft tissue measurements using digital calipers can be reliably taken by the same examiner and by a large group of examiners. Materials and Methods: Ten examiners performed a set of 18 in-
Bosio, Jose A., Mollov, Nikolay, Pruszynski, Jessica E., Wirtz, Thomas S.   +3 more
core   +2 more sources

Comparison of m-mode echocardiographic left ventricular mass measured using digital and strip chart readings: The Atherosclerosis Risk in Communities (ARIC) study

Cardiovascular Ultrasound, 2003
Background Epidemiological and clinical studies frequently use echocardiography to measure LV wall thicknesses and chamber dimension for estimating quantitative measures of LV mass.
Benjamin Emelia, Liebson Philip R, Skelton Thomas N, Arnett Donna K, Hutchinson Richard G   +4 more
doaj   +1 more source

In Silico Modeling Demonstrates that User Variability During Tumor Measurement Can Affect In Vivo Therapeutic Efficacy Outcomes

Cancer Informatics, 2022
User measurement bias during subcutaneous tumor measurement is a source of variation in preclinical in vivo studies. We investigated whether this user variability could impact efficacy study outcomes, in the form of the false negative result rate when ...
Jake T Murkin, Hope E Amos, Daniel W Brough, Karl D Turley   +3 more
doaj   +1 more source

Measurement accuracy and reliability of tooth length on conventional and CBCT reconstructed panoramic radiographs

Dental Press Journal of Orthodontics, 2014
INTRODUCTION: This in vivo study assessed accuracy and reliability of tooth length measurements obtained from conventional panoramic radiographs and CBCT panoramic reconstructions to that of a digital caliper (gold standard).
Carlos Flores-Mir, Mark R Rosenblatt, Paul W. Major, Jason P. Carey, Giseon Heo   +4 more
doaj   +1 more source

Reinforcing quantitative skills with applied research on tombstone-weathering rates. [PDF]

, 2000
This Journal of Geoscience Education article describes a tombstone weathering exercise that reinforces quantitative skills with applied research. The article describes an exercise designed and carried out by students in a surficial processes course ...
Shelia Roberts
core   +1 more source

Comparative evaluation and applicability of three different regression equation-based mixed dentition analysis in Northern Uttar Pradesh population

Journal of Indian Society of Pedodontics and Preventive Dentistry, 2018
Aims: This study aims to examine the accuracy and comparative correlation of three regression equation-based mixed dentition analysis in children of Moradabad city, North Uttar Pradesh.
Akash Bhatnagar, Seema Chaudhary, Ashish Amit Sinha, Naveen Manuja, Harsimran Kaur, T R Chaitra   +5 more
doaj   +1 more source

Obesity prevalence and determinants among young adults, with special focus on normal-weight obesity; a cross-sectional study in Mumbai

Indian Journal of Community Medicine, 2020
Background: India has >135 million obese individuals at present. Body mass index (BMI) has been used to assess obesity until recent times. Later, studies have shown that central body fat (BF) measurements as a reliable predictor of metabolic diseases ...
Rujuta Sachin Hadaye, Rukman Mecca Manapurath, Barsha Pathak Gadapani   +2 more
doaj   +1 more source

Hydraulic calipers [PDF]

, 1969
Hydraulic calipers determine area of annular openings in irregular or concealed passages. With modifications the device could be adapted to investigations of cross-sectional changes in heat flow passages, ducts, conduits, and heat exchanger ...
Benson, J. A.
core   +1 more source

Weight loss reduces basal-like breast cancer through kinome reprogramming [PDF]

, 2016
Additional file 1. Tumor burden and growth were not affected by diet. a. Tumor burden was quantified at sacrifice. b. Tumor volume was measured by calipers at detection and sacrifice. (N = 28 10 %; N = 31 60 %; N = 29, 60–10 %)
David B. Darr, Feng Yan, Gary L. Johnson, Joseph A. Galanko, Liza Makowski, Luma Essaid, Melissa A. Troester, Michael B. Major, Samantha M. Miller, Sneha Sundaram, Stephanie A. Montgomery, Xin Chen, Yuanyuan Qin   +12 more
core   +6 more sources