Búsqueda | Biblioteca Virtual en Salud

1.

Negative variance components and intercept-slope correlations greater than one in magnitude: How do such "non-regular" random intercept and slope models arise, and what should be done when they do?

Bridge, Helen; Morgan, Katy E; Frost, Chris.

Stat Med ; 2024 May 02.

Artículo Inglés | MEDLINE | ID: mdl-38695394

2.

Predicting progression to Alzheimer's disease dementia using cognitive measures.

Macdougall, Amy; Whitfield, Tim; Needham, Kelly; Schott, Jonathan M; Frost, Chris; Walker, Zuzana.

Int J Geriatr Psychiatry ; 39(2): e6067, 2024 Feb.

Artículo Inglés | MEDLINE | ID: mdl-38323729

3.

How important is the linearity assumption in a sample size calculation for a randomised controlled trial where treatment is anticipated to affect a rate of change?

Morgan, Katy E; White, Ian R; Frost, Chris.

BMC Med Res Methodol ; 23(1): 274, 2023 11 21.

Artículo Inglés | MEDLINE | ID: mdl-37990159

4.

Selective Thumb Carpometacarpal Joint Denervation Versus Trapeziectomy and Ligament Reconstruction With Tendon Interposition for Painful Arthritis: A Prospective Study With 2 Years of Follow-Up.

Frost, Chris M; Suresh, Visakha; Padovano, William; Luck, John D; Quan, Amy; Aravind, Pathik; Ingari, John V; Laporte, Dawn M; Shores, Jaimie T; Lifchez, Scott D.

J Hand Surg Am ; 48(9): 853-860, 2023 09.

Artículo Inglés | MEDLINE | ID: mdl-37452814

5.

Plasma phospho-tau181 in presymptomatic and symptomatic familial Alzheimer's disease: a longitudinal cohort study.

O'Connor, Antoinette; Karikari, Thomas K; Poole, Teresa; Ashton, Nicholas J; Lantero Rodriguez, Juan; Khatun, Ayesha; Swift, Imogen; Heslegrave, Amanda J; Abel, Emily; Chung, Elisha; Weston, Philip S J; Pavisic, Ivanna M; Ryan, Natalie S; Barker, Suzie; Rossor, Martin N; Polke, James M; Frost, Chris; Mead, Simon; Blennow, Kaj; Zetterberg, Henrik; Fox, Nick C.

Mol Psychiatry ; 26(10): 5967-5976, 2021 10.

Artículo Inglés | MEDLINE | ID: mdl-32665603

6.

Plasma amyloid-ß ratios in autosomal dominant Alzheimer's disease: the influence of genotype.

O'Connor, Antoinette; Pannee, Josef; Poole, Teresa; Arber, Charles; Portelius, Erik; Swift, Imogen J; Heslegrave, Amanda J; Abel, Emily; Willumsen, Nanet; Rice, Helen; Weston, Philip S J; Ryan, Natalie S; Polke, James M; Nicholas, Jennifer M; Mead, Simon; Wray, Selina; Chávez-Gutiérrez, Lucía; Frost, Chris; Blennow, Kaj; Zetterberg, Henrik; Fox, Nick C.

Brain ; 144(10): 2964-2970, 2021 11 29.

Artículo Inglés | MEDLINE | ID: mdl-33892504

7.

Major Depression and Survival in People With Cancer.

Walker, Jane; Mulick, Amy; Magill, Nicholas; Symeonides, Stefan; Gourley, Charlie; Burke, Katy; Belot, Aurelien; Quartagno, Matteo; van Niekerk, Maike; Toynbee, Mark; Frost, Chris; Sharpe, Michael.

Psychosom Med ; 83(5): 410-416, 2021 06 01.

Artículo Inglés | MEDLINE | ID: mdl-33938501

8.

Power and sample-size calculations for trials that compare slopes over time: Introducing the slopepower command.

Nash, Stephen; Morgan, Katy E; Frost, Chris; Mulick, Amy.

Stata J ; 21(3): 575-601, 2021 Sep.

Artículo Inglés | MEDLINE | ID: mdl-37476648

9.

The association between anthropometric measures of adiposity and the progression of carotid atherosclerosis.

Imahori, Yume; Mathiesen, Ellisiv B; Morgan, Katy E; Frost, Chris; Hughes, Alun D; Hopstock, Laila A; Johnsen, Stein Harald; Emaus, Nina; Leon, David A.

BMC Cardiovasc Disord ; 20(1): 138, 2020 03 17.

Artículo Inglés | MEDLINE | ID: mdl-32183704

10.

The prevalence of depression in general hospital inpatients: a systematic review and meta-analysis of interview-based studies.

Walker, Jane; Burke, Katy; Wanat, Marta; Fisher, Rebecca; Fielding, Josephine; Mulick, Amy; Puntis, Stephen; Sharpe, Joseph; Esposti, Michelle Degli; Harriss, Eli; Frost, Chris; Sharpe, Michael.

Psychol Med ; 48(14): 2285-2298, 2018 10.

Artículo Inglés | MEDLINE | ID: mdl-29576041

11.

Presymptomatic atrophy in autosomal dominant Alzheimer's disease: A serial magnetic resonance imaging study.

Kinnunen, Kirsi M; Cash, David M; Poole, Teresa; Frost, Chris; Benzinger, Tammie L S; Ahsan, R Laila; Leung, Kelvin K; Cardoso, M Jorge; Modat, Marc; Malone, Ian B; Morris, John C; Bateman, Randall J; Marcus, Daniel S; Goate, Alison; Salloway, Stephen P; Correia, Stephen; Sperling, Reisa A; Chhatwal, Jasmeer P; Mayeux, Richard P; Brickman, Adam M; Martins, Ralph N; Farlow, Martin R; Ghetti, Bernardino; Saykin, Andrew J; Jack, Clifford R; Schofield, Peter R; McDade, Eric; Weiner, Michael W; Ringman, John M; Thompson, Paul M; Masters, Colin L; Rowe, Christopher C; Rossor, Martin N; Ourselin, Sebastien; Fox, Nick C.

Alzheimers Dement ; 14(1): 43-53, 2018 01.

Artículo Inglés | MEDLINE | ID: mdl-28738187

12.

Community health promotion and medical provision for neonatal health-CHAMPION cluster randomised trial in Nagarkurnool district, Telangana (formerly Andhra Pradesh), India.

Boone, Peter; Eble, Alex; Elbourne, Diana; Frost, Chris; Jayanty, Chitra; Lakshminarayana, Rashmi; Mann, Vera; Mukherjee, Rohini; Piaggio, Gilda; Reddy, Padmanabh.

PLoS Med ; 14(7): e1002324, 2017 Jul.

Artículo Inglés | MEDLINE | ID: mdl-28678849

13.

Design optimization for clinical trials in early-stage manifest Huntington's disease.

Frost, Chris; Mulick, Amy; Scahill, Rachael I; Owen, Gail; Aylward, Elizabeth; Leavitt, Blair R; Durr, Alexandra; Roos, Raymund A C; Borowsky, Beth; Stout, Julie C; Reilmann, Ralf; Langbehn, Douglas R; Tabrizi, Sarah J; Sampaio, Cristina.

Mov Disord ; 32(11): 1610-1619, 2017 Nov.

Artículo Inglés | MEDLINE | ID: mdl-28906031

14.

Treatments for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP): an overview of systematic reviews.

Oaklander, Anne Louise; Lunn, Michael Pt; Hughes, Richard Ac; van Schaik, Ivo N; Frost, Chris; Chalk, Colin H.

Cochrane Database Syst Rev ; 1: CD010369, 2017 01 13.

Artículo Inglés | MEDLINE | ID: mdl-28084646

15.

Visuospatial Processing Deficits Linked to Posterior Brain Regions in Premanifest and Early Stage Huntington's Disease.

Labuschagne, Izelle; Cassidy, Amy Mulick; Scahill, Rachael I; Johnson, Eileanoir B; Rees, Elin; O'Regan, Alison; Queller, Sarah; Frost, Chris; Leavitt, Blair R; Dürr, Alexandra; Roos, Raymond; Owen, Gail; Borowsky, Beth; Tabrizi, Sarah J; Stout, Julie C.

J Int Neuropsychol Soc ; 22(6): 595-608, 2016 07.

Artículo Inglés | MEDLINE | ID: mdl-27211109

16.

Assessing atrophy measurement techniques in dementia: Results from the MIRIAD atrophy challenge.

Cash, David M; Frost, Chris; Iheme, Leonardo O; Ünay, Devrim; Kandemir, Melek; Fripp, Jurgen; Salvado, Olivier; Bourgeat, Pierrick; Reuter, Martin; Fischl, Bruce; Lorenzi, Marco; Frisoni, Giovanni B; Pennec, Xavier; Pierson, Ronald K; Gunter, Jeffrey L; Senjem, Matthew L; Jack, Clifford R; Guizard, Nicolas; Fonov, Vladimir S; Collins, D Louis; Modat, Marc; Cardoso, M Jorge; Leung, Kelvin K; Wang, Hongzhi; Das, Sandhitsu R; Yushkevich, Paul A; Malone, Ian B; Fox, Nick C; Schott, Jonathan M; Ourselin, Sebastien.

Neuroimage ; 123: 149-64, 2015 Dec.

Artículo Inglés | MEDLINE | ID: mdl-26275383

17.

Effect of high-dose simvastatin on brain atrophy and disability in secondary progressive multiple sclerosis (MS-STAT): a randomised, placebo-controlled, phase 2 trial.

Chataway, Jeremy; Schuerer, Nadine; Alsanousi, Ali; Chan, Dennis; MacManus, David; Hunter, Kelvin; Anderson, Val; Bangham, Charles R M; Clegg, Shona; Nielsen, Casper; Fox, Nick C; Wilkie, David; Nicholas, Jennifer M; Calder, Virginia L; Greenwood, John; Frost, Chris; Nicholas, Richard.

Lancet ; 383(9936): 2213-21, 2014 Jun 28.

Artículo Inglés | MEDLINE | ID: mdl-24655729

18.

Short-interval observational data to inform clinical trial design in Huntington's disease.

Hobbs, Nicola Z; Farmer, Ruth E; Rees, Elin M; Cole, James H; Haider, Salman; Malone, Ian B; Sprengelmeyer, Reiner; Johnson, Hans; Mueller, Hans-Peter; Sussmuth, Sigurd D; Roos, Raymund A C; Durr, Alexandra; Frost, Chris; Scahill, Rachael I; Landwehrmeyer, Bernhard; Tabrizi, Sarah J.

J Neurol Neurosurg Psychiatry ; 86(12): 1291-8, 2015 Dec.

Artículo Inglés | MEDLINE | ID: mdl-25669748

19.

An exploratory double-blind, randomized clinical trial with selisistat, a SirT1 inhibitor, in patients with Huntington's disease.

Süssmuth, Sigurd D; Haider, Salman; Landwehrmeyer, G Bernhard; Farmer, Ruth; Frost, Chris; Tripepi, Giovanna; Andersen, Claus A; Di Bacco, Marco; Lamanna, Claudia; Diodato, Enrica; Massai, Luisa; Diamanti, Daniela; Mori, Elisa; Magnoni, Letizia; Dreyhaupt, Jens; Schiefele, Karin; Craufurd, David; Saft, Carsten; Rudzinska, Monika; Ryglewicz, Danuta; Orth, Michael; Brzozy, Sebastian; Baran, Anna; Pollio, Giuseppe; Andre, Ralph; Tabrizi, Sarah J; Darpo, Borje; Westerberg, Goran.

Br J Clin Pharmacol ; 79(3): 465-76, 2015 Mar.

Artículo Inglés | MEDLINE | ID: mdl-25223731

20.

Alzheimer's disease first symptoms are age dependent: Evidence from the NACC dataset.

Barnes, Josephine; Dickerson, Bradford C; Frost, Chris; Jiskoot, Lize C; Wolk, David; van der Flier, Wiesje M.

Alzheimers Dement ; 11(11): 1349-57, 2015 Nov.

Artículo Inglés | MEDLINE | ID: mdl-25916562

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