Items where Author or Contributor is "Diaz-Ordaz, Karla"

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Number of items: 34.

2022

Hines, Oliver; Dukes, Oliver; Diaz-Ordaz, Karla; Vansteelandt, Stijn; (2022) Demystifying Statistical Learning Based on Efficient Influence Functions. The American Statistician, 76 (3). pp. 292-304. ISSN 0003-1305 DOI: https://doi.org/10.1080/00031305.2021.2021984 Item availability may be restricted.
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OpenSAFELY Collaborative; Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; McDonald, Helen I; Walker, Alex J; Tomlinson, Laurie; Wing, Kevin; Bacon, Sebastian; Bates, Chris; +35 more... Curtis, Helen J; Forbes, Harriet J; Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, David; Nicholson, Brian D; Leon, David A; Inglesby, Peter; MacKenna, Brian; Davies, Nicholas G; DeVito, Nicholas J; Drysdale, Henry; Cockburn, Jonathan; Hulme, William J; Morley, Jessica; Douglas, Ian; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Grieve, Richard; Harrison, David A; Steyerberg, Ewout W; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben; (2022) Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform. Diagnostic and prognostic research, 6 (1). 6-. ISSN 2397-7523 DOI: https://doi.org/10.1186/s41512-022-00120-2
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Sadique, Zia; Grieve, Richard; Diaz-Ordaz, Karla; Mouncey, Paul; Lamontagne, Francois; O'Neill, Stephen; (2022) A Machine-Learning Approach for Estimating Subgroup- and Individual-Level Treatment Effects: An Illustration Using the 65 Trial. Medical decision making : an international journal of the Society for Medical Decision Making, 42 (7). pp. 923-936. ISSN 0272-989X DOI: https://doi.org/10.1177/0272989X221100717
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2021

Docherty, Annemarie B; Mulholland, Rachel H; Lone, Nazir I; Cheyne, Christopher P; De Angelis, Daniela; Diaz-Ordaz, Karla; Donegan, Cara; Drake, Thomas M; Dunning, Jake; Funk, Sebastian; +20 more... García-Fiñana, Marta; Girvan, Michelle; Hardwick, Hayley E; Harrison, Janet; Ho, Antonia; Hughes, David M; Keogh, Ruth H; Kirwan, Peter D; Leeming, Gary; Nguyen Van-Tam, Jonathan S; Pius, Riinu; Russell, Clark D; Spencer, Rebecca G; Tom, Brian Dm; Turtle, Lance; Openshaw, Peter Jm; Baillie, J Kenneth; Harrison, Ewen M; Semple, Malcolm G; ISARIC4C Investigators; ISARIC4C Investigators; (2021) Changes in in-hospital mortality in the first wave of COVID-19: a multicentre prospective observational cohort study using the WHO Clinical Characterisation Protocol UK. The Lancet. Respiratory medicine, 9 (7). pp. 773-785. ISSN 2213-2600 DOI: https://doi.org/10.1016/S2213-2600(21)00175-2
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Hippisley-Cox, Julia; Coupland, Carol Ac; Mehta, Nisha; Keogh, Ruth H; Diaz-Ordaz, Karla; Khunti, Kamlesh; Lyons, Ronan A; Kee, Frank; Sheikh, Aziz; Rahman, Shamim; +8 more... Valabhji, Jonathan; Harrison, Ewen M; Sellen, Peter; Haq, Nazmus; Semple, Malcolm G; Johnson, Peter WM; Hayward, Andrew; Nguyen-Van-Tam, Jonathan S; (2021) Risk prediction of covid-19 related death and hospital admission in adults after covid-19 vaccination: national prospective cohort study. BMJ (Clinical research ed.), 374. n2244-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.n2244
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Katsoulis, Michail; Lai, Alvina G; Diaz-Ordaz, Karla; Gomes, Manuel; Pasea, Laura; Banerjee, Amitava; Denaxas, Spiros; Tsilidis, Kostas; Lagiou, Pagona; Misirli, Gesthimani; +10 more... Bhaskaran, Krishnan; Wannamethee, Goya; Dobson, Richard; Batterham, Rachel L; Kipourou, Dimitra-Kleio; Lumbers, R Thomas; Wen, Lan; Wareham, Nick; Langenberg, Claudia; Hemingway, Harry; (2021) Identifying adults at high-risk for change in weight and BMI in England: a longitudinal, large-scale, population-based cohort study using electronic health records. The lancet. Diabetes & endocrinology, 9 (10). pp. 681-694. ISSN 2213-8587 DOI: https://doi.org/10.1016/S2213-8587(21)00207-2
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Katsoulis, Michail; Stavola, Bianca D; Diaz-Ordaz, Karla; Gomes, Manuel; Lai, Alvina; Lagiou, Pagona; Wannamethee, Goya; Tsilidis, Konstantinos; Lumbers, R Thomas; Denaxas, Spiros; +6 more... Banerjee, Amitava; Parisinos, Constantinos A; Batterham, Rachel; Patel, Riyaz; Langenberg, Claudia; Hemingway, Harry; (2021) Weight Change and the Onset of Cardiovascular Diseases: Emulating Trials Using Electronic Health Records. Epidemiology (Cambridge, Mass.), 32 (5). pp. 744-755. ISSN 1044-3983 DOI: https://doi.org/10.1097/EDE.0000000000001393
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Keogh, Ruth H; Cosgriff, Rebecca; Andrinopoulou, Eleni-Rosalina; Brownlee, Keith G; Carr, Siobhán B; Diaz-Ordaz, Karla; Granger, Emily; Jewell, Nicholas P; Lewin, Alex; Leyrat, Clemence; +4 more... Schlüter, Daniela K; van Smeden, Maarten; Szczesniak, Rhonda D; Connett, Gary J; (2021) Projecting the impact of triple CFTR modulator therapy on intravenous antibiotic requirements in cystic fibrosis using patient registry data combined with treatment effects from randomised trials. Thorax, 77 (9). pp. 873-881. ISSN 0040-6376 DOI: https://doi.org/10.1136/thoraxjnl-2020-216265
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Leclerc, Quentin J; Fuller, Naomi M; Keogh, Ruth H; Diaz-Ordaz, Karla; Sekula, Richard; Semple, Malcolm G; ISARIC4C Investigators; CMMID COVID-19 Working Group; Atkins, Katherine E; Procter, Simon R; +1 more... Knight, Gwenan M; ISARIC4C Investigators, CMMID COVID-19 Working Group; (2021) Importance of patient bed pathways and length of stay differences in predicting COVID-19 hospital bed occupancy in England. BMC health services research, 21 (1). 566-. ISSN 1472-6963 DOI: https://doi.org/10.1186/s12913-021-06509-x
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Sperrin, Matthew; Diaz-Ordaz, Karla; Pajouheshnia, Romin; (2021) Invited Commentary: Treatment Drop-in-Making the Case for Causal Prediction. American journal of epidemiology, 190 (10). pp. 2015-2018. ISSN 0002-9262 DOI: https://doi.org/10.1093/aje/kwab030
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Wassenaar, TM; Wheatley, CM; Beale, N; Nichols, T; Salvan, P; Meaney, A; Atherton, K; Diaz-Ordaz, K; Dawes, H; Johansen-Berg, H; (2021) The effect of a one-year vigorous physical activity intervention on fitness, cognitive performance and mental health in young adolescents: the Fit to Study cluster randomised controlled trial. The international journal of behavioral nutrition and physical activity, 18 (1). p. 47. ISSN 1479-5868 DOI: https://doi.org/10.1186/s12966-021-01113-y
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Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; McDonald, Helen I; Walker, Alex J; Tomlinson, Laurie; Wing, Kevin; Bacon, Sebastian; Bates, Chris; Curtis, Helen J; +34 more... Forbes, Harriet; Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, Dave; Nicholson, Brian D; Leon, Dave; Inglesby, Peter; MacKenna, Brian; Davies, Nicholas G; DeVito, Nicholas J; Drysdale, Henry; Cockburn, Jonathan; Hulme, Will; Morley, Jess; Douglas, Ian; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Grieve, Richard; Harrison, David A; Steyerberg, Ewout W; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben; (2021) Predicting COVID-19 related death using the OpenSAFELY platform. medRxiv preprint. DOI: https://doi.org/10.1101/2021.02.25.21252433
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2020

Clift, Ash K; Coupland, Carol AC; Keogh, Ruth H; Diaz-Ordaz, Karla; Williamson, Elizabeth; Harrison, Ewen M; Hayward, Andrew; Hemingway, Harry; Horby, Peter; Mehta, Nisha; +13 more... Benger, Jonathan; Khunti, Kamlesh; Spiegelhalter, David; Sheikh, Aziz; Valabhji, Jonathan; Lyons, Ronan A; Robson, John; Semple, Malcolm G; Kee, Frank; Johnson, Peter; Jebb, Susan; Williams, Tony; Hippisley-Cox, Julia; (2020) Living risk prediction algorithm (QCOVID) for risk of hospital admission and mortality from coronavirus 19 in adults: national derivation and validation cohort study. BMJ-BRITISH MEDICAL JOURNAL, 371. m3731-. ISSN 1756-1833 DOI: https://doi.org/10.1136/bmj.m3731
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Davies, Nicholas G; Abbott, Sam; Barnard, Rosanna C; Jarvis, Christopher I; Kucharski, Adam J; Munday, James D; Pearson, Carl AB; Russell, Timothy W; Tully, Damien C; Washburne, Alex D; +13 more... Wenseleers, Tom; Gimma, Amy; Waites, William; Wong, Kerry LM; van Zandvoort, Kevin; Silverman, Justin D; Diaz-Ordaz, Karla; Keogh, Ruth; Eggo, Rosalind M; Funk, Sebastian; Jit, Mark; Atkins, Katherine E; Edmunds, W John; (2020) Estimated transmissibility and impact of SARS-CoV-2 lineage B.1.1.7 in England. MedRxiv. DOI: https://doi.org/10.1101/2020.12.24.20248822 Item availability may be restricted.
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Diaz-Ordaz, Karla; Daniel, Rhian; Kreif, Noemi; (2020) Data-adaptive doubly robust instrumental variable methods for treatment effect heterogeneity. Journal de la Societe francaise de statistique (2009), 161 (1). pp. 135-163. ISSN 1962-5197 http://journal-sfds.fr/article/view/785
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Sisk, Rose; Lin, Lijing; Sperrin, Matthew; Barrett, Jessica K; Tom, Brian; Diaz-Ordaz, Karla; Peek, Niels; Martin, Glen P; (2020) Informative presence and observation in routine health data: A review of methodology for clinical risk prediction. Journal of the American Medical Informatics Association, 28 (1). pp. 155-166. ISSN 1067-5027 DOI: https://doi.org/10.1093/jamia/ocaa242
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Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; Walker, Alex J; McDonald, Helen I; Tomlinson, Laurie; Bacon, Sebastian; Bates, Chris; Curtis, Helen J; Forbes, Harriet; +32 more... Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, Dave; Nicholson, Brian D; Leon, David; Inglesby, Peter; MacKenna, Brian; Cockburn, Jonathan; Davies, Nicholas G; Hulme, William; Morley, Jessica; Douglas, Ian J; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Perera, Rafael; Grieve, Richard; Harrison, David; Steyerberg, Ewout; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben; (2020) Study protocol: Comparison of different risk prediction modelling approaches for COVID-19 related death using the OpenSAFELY platform. Wellcome Open Research, 5. p. 243. DOI: https://doi.org/10.12688/wellcomeopenres.16353.1
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2019

2017

Conlon, Anna; Taylor, Jeremy; Li, Yun; Diaz-Ordaz, Karla; Elliott, Michael; (2017) Links between causal effects and causal association for surrogacy evaluation in a gaussian setting. Statistics in medicine, 36 (27). pp. 4243-4265. ISSN 0277-6715 DOI: https://doi.org/10.1002/sim.7430 Full text not available from this repository.

2016

Legido-Quigley, Helena; Karanikolos, Marina; Hernandez-Plaza, Sonia; de Freitas, Cláudia; Bernardo, Luís; Padilla, Beatriz; Sá Machado, Rita; Diaz-Ordaz, Karla; Stuckler, David; McKee, Martin; (2016) Effects of the financial crisis and Troika austerity measures on health and health care access in Portugal. Health policy (Amsterdam, Netherlands), 120 (7). pp. 833-839. ISSN 0168-8510 DOI: https://doi.org/10.1016/j.healthpol.2016.04.009
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Taylor, Stephanie JC; Carnes, Dawn; Homer, Kate; Pincus, Tamar; Kahan, Brennan C; Hounsome, Natalia; Eldridge, Sandra; Spencer, Anne; Diaz-Ordaz, Karla; Rahman, Anisur; +4 more... Mars, Tom S; Foell, Jens; Griffiths, Chris J; Underwood, Martin R; (2016) Improving the self-management of chronic pain: COping with persistent Pain, Effectiveness Research in Self-management (COPERS). Programme Grants for Applied Research, 4 (14). pp. 1-440. ISSN 2050-4322 DOI: https://doi.org/10.3310/pgfar04140
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2014

Devine, Angela; Taylor, Stephanie JC; Spencer, Anne; Diaz-Ordaz, Karla; Eldridge, Sandra; Underwood, Martin; (2014) The agreement between proxy and self-completed EQ-5D for care home residents was better for index scores than individual domains. Journal of clinical epidemiology, 67 (9). pp. 1035-1043. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2014.04.005
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Kahan, Brennan C; Diaz-Ordaz, Karla; Homer, Kate; Carnes, Dawn; Underwood, Martin; Taylor, Stephanie Jc; Bremner, Stephen A; Eldridge, Sandra; (2014) Coping with persistent pain, effectiveness research into self-management (COPERS): statistical analysis plan for a randomised controlled trial. Trials, 15 (1). 59-. ISSN 1745-6215 DOI: https://doi.org/10.1186/1745-6215-15-59
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2013

Diaz-Ordaz, K; Kenward, MG; Grieve, R; (2013) Handling missing values in cost effectiveness analyses that use data from cluster randomized trials. Journal of the Royal Statistical Society: Series A (Statistics in Society). n/a-n/a. ISSN 1467-985X DOI: https://doi.org/10.1111/rssa.12016 Full text not available from this repository.

Diaz-Ordaz, Karla; Froud, Robert; Sheehan, Bart; Eldridge, Sandra; (2013) A systematic review of cluster randomised trials in residential facilities for older people suggests how to improve quality. BMC medical research methodology, 13 (1). 127-. ISSN 1471-2288 DOI: https://doi.org/10.1186/1471-2288-13-127
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Ng, Edmond S-W; Diaz-Ordaz, Karla; Grieve, Richard; Nixon, Richard M; Thompson, Simon G; Carpenter, James R; (2013) Multilevel models for cost-effectiveness analyses that use cluster randomised trial data: An approach to model choice. Statistical methods in medical research, 25 (5). pp. 2036-2052. ISSN 0962-2802 DOI: https://doi.org/10.1177/0962280213511719 Full text not available from this repository.

Underwood, M; Lamb, SE; Eldridge, S; Sheehan, B; Slowther, A; Spencer, A; Thorogood, M; Atherton, N; Bremner, SA; Devine, A; +5 more... Diaz-Ordaz, K; Ellard, DR; Potter, R; Spanjers, K; Taylor, SJC; (2013) Exercise for depression in care home residents: a randomised controlled trial with cost-effectiveness analysis (OPERA). Health technology assessment (Winchester, England), 17 (18). pp. 1-281. ISSN 1366-5278 DOI: https://doi.org/10.3310/hta17180
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Underwood, Martin; Lamb, Sarah E; Eldridge, Sandra; Sheehan, Bart; Slowther, Anne-Marie; Spencer, Anne; Thorogood, Margaret; Atherton, Nicky; Bremner, Stephen A; Devine, Angela; +5 more... Diaz-Ordaz, Karla; Ellard, David R; Potter, Rachel; Spanjers, Kathleen; Taylor, Stephanie JC; (2013) Exercise for depression in elderly residents of care homes: a cluster-randomised controlled trial. Lancet, 382 (9886). pp. 41-49. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(13)60649-2
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This list was generated on Fri Nov 25 07:12:02 2022 GMT.