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intra-rater reliability

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https://www.readbyqxmd.com/read/28637155/reliability-validity-and-norms-of-the-2-min-walk-test-in-children-with-and-without-neuromuscular-disorders-aged-6-12
#1
Tamis W Pin, H L Choi
PURPOSE: The 2-min walk test may be more appropriate functional exercise test for young children. This study aimed to examine the 2-min walk test's reliability; validity; and minimal clinically important difference; and to establish norms for children aged 6-12. METHODS: Sixty-one healthy children were recruited to examine the 2-min walk test's reliability. Forty-six children with neuromuscular disorders (63% cerebral palsy) were recruited to test the validity. The normative study involved 716 healthy children without neuromuscular disorders (male = 51%, female = 49%)...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28632492/is-the-location-of-the-signal-intensity-weighted-centroid-a-reliable-measurement-of-fluid-displacement-within-the-disc
#2
Vahid Abdollah, Eric C Parent, Michele C Battié
Degenerated discs have shorter T2-relaxation time and lower MR signal. The location of the signal-intensity-weighted-centroid reflects the water distribution within a region-of-interest (ROI). This study compared the reliability of the location of the signal-intensity-weighted-centroid to mean signal intensity and area measurements. L4-L5 and L5-S1 discs were measured on 43 mid-sagittal T2-weighted 3T MRI images in adults with back pain. One rater analysed images twice and another once, blinded to measurements...
June 20, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28629561/multi-contrast-and-three-dimensional-assessment-of-the-aortic-wall-using-3t-mri
#3
Thomas Wehrum, Iulius Dragonu, Christoph Strecker, Jürgen Hennig, Andreas Harloff
OBJECTIVES: To develop a 3D-multi-contrast MRI protocol allowing for high resolution imaging of the wall and of atheroma in the thoracic aorta. METHODS: Eleven healthy volunteers and eleven acute stroke patients with aortic plaques detected by TEE underwent MRI at 3T. The MRI-protocol consisted of a T1w-bright-blood, a T2w- and a PDw-black-blood sequence (spatial resolution=1.15mm(3)). Image quality was assessed by two blinded investigators using a 3-point score and intra- and inter-rater agreement was tested...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28626305/inter-rater-and-intra-rater-reliability-of-the-fluid-goniometer-for-measuring-active-knee-flexion-in-painful-knees-correlations-do-not-mean-agreement
#4
Wilton Remigio, Nancy Tsai, Leonivic Layos, Michelle Chavez
[Purpose] The fluid goniometer is an instrument for measuring range of motion. Reliability of the fluid goniometer has not been established for subjects with painful knee joints. The purpose of this study was to determine the inter-rater and intra-rater reliability of the fluid goniometer in measuring active knee flexion of painful knees and to test its agreement with the gold standard ruler goniometer. [Subjects and Methods] Twenty-five individuals with either unilateral or bilateral painful knees participated in the study...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28625281/the-petra-perinatal-emergency-team-response-assessment-scale-a-high-fidelity-simulation-validation-study
#5
Mrinalini Balki, David Hoppe, David Monks, Lynn Sharples, Mary Ellen Cooke, Lawrence Tsen, Rory Windrim
OBJECTIVE: The objective of this study was to establish the validity and reliability of a new interdisciplinary teamwork assessment scale, the Perinatal Emergency Team Response Assessment (PETRA), to assess team dynamics during a simulated obstetric crisis. METHODS: This observational cohort study was conducted using high-fidelity simulation and multidisciplinary obstetric teams in order to evaluate the validity and reliability of the previously developed PETRA scale for the assessment of teamwork in the management of obstetric crises...
July 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28612500/using-image-j-to-document-healing-in-ulcers-of-the-foot-in-diabetes
#6
William J Jeffcoate, Alison J Musgrove, Nadina B Lincoln
The aim of the study was to assess the reliability of measuring the cross-sectional area of diabetic foot ulcers using Image J software. The inter- and intra-rater reliability of ulcer area measures were assessed using digital images of acetate tracings of ulcers of the foot affecting 31 participants in an off-loading randomised trial. Observations were made independently by five specialist podiatrists, one of whom was experienced in the use of Image J software and educated the other four in a single session...
June 13, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28610810/developing-a-contributing-factor-classification-scheme-for-rasmussen-s-accimap-reliability-and-validity-evaluation
#7
N Goode, P M Salmon, N Z Taylor, M G Lenné, C F Finch
One factor potentially limiting the uptake of Rasmussen's (1997) Accimap method by practitioners is the lack of a contributing factor classification scheme to guide accident analyses. This article evaluates the intra- and inter-rater reliability and criterion-referenced validity of a classification scheme developed to support the use of Accimap by led outdoor activity (LOA) practitioners. The classification scheme has two levels: the system level describes the actors, artefacts and activity context in terms of 14 codes; the descriptor level breaks the system level codes down into 107 specific contributing factors...
October 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28606648/reliability-of-sonographic-assessment-of-biceps-femoris-distal-tendon-strain-during-passive-stretching
#8
Eleftherios Kellis, Athanasios Ellinoudis, Konstantina Intziegianni
The purpose of this study was to determine the intra-rater, inter-examiner and inter-observer reliability of biceps femoris long head (BFlh) tendon strain using ultrasound imaging. Nineteen patients (age: 20.4 ± 0.35 y) were tested twice with a 1-wk interval. Each session included passive stretching from three different hip positions. Tests were performed independently by two examiners while BFlh tendon displacement (mm) and strain (%) were manually extracted from ultrasound video footages by two observers...
June 9, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28603363/intra-rater-and-inter-rater-reliability-of-the-portable-gait-rhythmogram-in-post-stroke-patients
#9
Ryuji Miyata, Shuji Matsumoto, Seiji Miura, Kentaro Kawamura, Tomohiro Uema, Kodai Miyara, Ayana Niibo, Tadashi Ogura, Megumi Shimodozono
[Purpose] Gait analysis, such as portable gait rhythmogram (PGR) provides objective information that helps in the quantitative evaluation of human locomotion. The purpose of this study was to assess the reliability of PGR in post-stroke patients. [Subjects and Methods] Two raters (A and B) examined 44 post-stroke patients. To assess intra-rater reliability, rater A tested subjects on three separate occasions (Days 1, 2, and 3). To assess inter-rater reliability, raters A and B independently tested participants on the same occasion (Day 3)...
May 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28599951/age-gender-and-percentage-of-circulating-osteoprogenitor-cop-cells-the-cop-study
#10
Piumali Gunawardene, Ahmed Al Saedi, Lakshman Singh, Sandra Bermeo, Sara Vogrin, Steven Phu, Pushpa Suriyaarachchi, Robert J Pignolo, Gustavo Duque
Circulating osteoprogenitor (COP) cells are blood-borne cells which express a variety of osteoblastic markers and are able to form bone nodules in vivo. Whereas a high percentage of COP cells (%COP) is associated with vascular calcification, low %COP has been associated with disability and frailty. However, the reference range of %COP in age- and gender-matching populations, and the age-related changes in %COP remain unknown. A cross-sectional study was undertaken in 144 healthy volunteers in Western Sydney (20-90year-old, 10 male and 10 female subjects per decade)...
June 6, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28598978/an-evaluation-tool-for-myofascial-adhesions-in-patients-after-breast-cancer-map-bc-evaluation-tool-development-and-interrater-reliability
#11
An De Groef, Marijke Van Kampen, Nele Vervloesem, Sophie De Geyter, Evi Dieltjens, Marie-Rose Christiaens, Patrick Neven, Inge Geraerts, Nele Devoogdt
PURPOSE: To develop a tool to evaluate myofascial adhesions objectively in patients with breast cancer and to investigate its interrater reliability. METHODS: 1) Development of the evaluation tool. Literature was searched, experts in the field of myofascial therapy were consulted and pilot testing was performed. 2) Thirty patients (63% had a mastectomy, 37% breast-conserving surgery and 97% radiotherapy) with myofascial adhesions were evaluated using the developed tool by 2 independent raters...
2017: PloS One
https://www.readbyqxmd.com/read/28596001/establishing-and-validating-an-ichthyosis-severity-index
#12
Nareh V Marukian, Yanhong Deng, Geliang Gan, Ivy Ren, Wisblaude Thermidor, Brittany G Craiglow, Leonard M Milstone, Keith A Choate
We designed and validated a Visual Index for Ichthyosis Severity (VIIS) for scale and erythema that provides 1) written descriptions of the features characteristic of each level of severity 2) visual standards for 4 body sites, and 3) two distinct standards to account for different types of scale. We tested the VIIS for reliability and reproducibility using two different settings: one that utilized scoring of 60 test photographs by 10 dermatologists, and one with in-person evaluations on 85 subjects by 12 dermatologists at the Foundation for Ichthyosis and Related Skin Types (FIRST) conference...
June 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28595164/imaging-and-analysis-of-individual-cavitation-microbubbles-around-dental-ultrasonic-scalers
#13
N Vyas, H Dehghani, R L Sammons, Q X Wang, D M Leppinen, A D Walmsley
Cavitation is a potentially effective and less damaging method of removing biofilm from biomaterial surfaces. The aim of this study is to characterise individual microbubbles around ultrasonic scaler tips using high speed imaging and image processing. This information will provide improved understanding on the disruption of dental biofilm and give insights into how the instruments can be optimised for ultrasonic cleaning. Individual cavitation microbubbles around ultrasonic scalers were analysed using high speed recordings up to a million frames per second with image processing of the bubble movement...
May 24, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28585270/intra-and-interrater-reliability-of-the-chicago-classification-of-achalasia-subtypes-in-pediatric-high-resolution-esophageal-manometry-hrm-recordings
#14
M M J Singendonk, R Rosen, J Oors, N Rommel, M P van Wijk, M A Benninga, S Nurko, T I Omari
BACKGROUND: Subtyping achalasia by high-resolution manometry (HRM) is clinically relevant as response to therapy and prognosis have shown to vary accordingly. The aim of this study was to assess inter- and intrarater reliability of diagnosing achalasia and achalasia subtyping in children using the Chicago Classification (CC) V3.0. METHODS: Six observers analyzed 40 pediatric HRM recordings (22 achalasia and 18 non-achalasia) twice by using dedicated analysis software (ManoView 3...
June 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28584367/methodology-series-module-9-designing-questionnaires-and-clinical-record-forms-part-ii
#15
Maninder Singh Setia
This article is a continuation of the previous module on designing questionnaires and clinical record form in which we have discussed some basic points about designing the questionnaire and clinical record forms. In this section, we will discuss the reliability and validity of questionnaires. The different types of validity are face validity, content validity, criterion validity, and construct validity. The different types of reliability are test-retest reliability, inter-rater reliability, and intra-rater reliability...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28583794/delivery-of-meaningful-cancer-care-a-retrospective-cohort-study-assessing-cost-and-benefit-with-the-asco-and-esmo-frameworks
#16
Joseph C Del Paggio, Richard Sullivan, Deborah Schrag, Wilma M Hopman, Biju Azariah, C S Pramesh, Ian F Tannock, Christopher M Booth
BACKGROUND: The American Society of Clinical Oncology (ASCO) and the European Society for Medical Oncology (ESMO) have developed frameworks that quantify survival gains in light of toxicity and quality of life to assess the benefits of cancer therapies. We applied these frameworks to a cohort of contemporary randomised controlled trials to explore agreement between the two approaches and to assess the relation between treatment benefit and cost. METHODS: We identified all randomised controlled trials of systemic therapies in non-small-cell lung cancer, breast cancer, colorectal cancer, and pancreatic cancer published between Jan 1, 2011, and Dec 31, 2015, and assessed their abstracts and methods...
June 2, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28581063/clinical-grading-of-reinke-s-edema
#17
Melin Tan, Paul C Bryson, Casey Pitts, Peak Woo, Michael S Benninger
OBJECTIVE: Reinke's edema (RE) is a pathologically benign structural change of the vocal folds with a wide spectrum of clinical severity. We aim to propose and validate a clinical grading system based on size of the lesion to facilitate effective universal communication of disease severity. STUDY DESIGN: Retrospective review. METHODS: Patients diagnosed with RE exclusive of other glottic pathology between December 2010 and December 2014 were included...
June 5, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28575546/quantifying-digital-ulcers-in-systemic-sclerosis-reliability-of-digital-planimetry-in-measuring-lesion-size
#18
V Simpson, M Hughes, J Wilkinson, A L Herrick, G Dinsdale
Objective Digital ulcers (DUs) are a major problem in patients with systemic sclerosis (SSc), causing severe pain, and impairment of hand function. In addition, DUs heal slowly and sometimes become infected, which can lead to gangrene and necessitate amputation, without appropriate intervention. A reliable, objective method for assessing DU healing or progression is needed in both clinical and research arenas. The objectives were: (1) to compare two digital planimetry methods of DU area measurement (ellipse and free hand region-of-interest [ROI]) applied to photographs of DUs, and (2) to assess reliability of photographic calibration and the two area measurement methods...
June 2, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28571122/detecting-the-non-physiological-surgically-tailored-ileocolic-anastomosis-using-the-wireless-motility-capsule-a-pre-and-post-operative-prospective-within-subject-trial
#19
Yngve Thorsen, Bojan V Stimec, Jens M Nesgaard, Dejan Ignjatovic
Background/Aims: Wireless motility capsule (WMC) detects the ileocolic junction (ICJ) in most non-operated patients. We find no data concerning this examination in patients where the ileocolic valve is replaced by a per definition incompetent, surgically created ICJ. We wanted to see if WMC could detect the ICJ after a right colectomy and assess the competency. Methods: Prospective cohort study using a within-subject design to eliminate subject-subject variability...
June 1, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28570555/geometric-classification-of-scalp-hair-for-valid-drug-testing-6-more-reliable-than-8-hair-curl-groups
#20
K Mkentane, J C Van Wyk, N Sishi, F Gumedze, M Ngoepe, L M Davids, N P Khumalo
INTRODUCTION: Curly hair is reported to contain higher lipid content than straight hair, which may influence incorporation of lipid soluble drugs. The use of race to describe hair curl variation (Asian, Caucasian and African) is unscientific yet common in medical literature (including reports of drug levels in hair). This study investigated the reliability of a geometric classification of hair (based on 3 measurements: the curve diameter, curl index and number of waves). MATERIALS AND METHODS: After ethical approval and informed consent, proximal virgin (6cm) hair sampled from the vertex of scalp in 48 healthy volunteers were evaluated...
2017: PloS One
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