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A tutorial on sample size calculation for multiple-period cluster randomized parallel, cross-over and stepped-wedge trials using the Shiny CRT Calculator.

Hemming K, Kasza J, Hooper R, Forbes A, Taljaard M.

Int J Epidemiol. 2020 Feb 22. pii: dyz237. doi: 10.1093/ije/dyz237. [Epub ahead of print]


Seasonal variation in fetal lateral cerebral ventricular diameter.

Taylor EH, Gandhi B, Marleen S, Hooper RL, Aquilina J, Martineau AR.

Prenat Diagn. 2020 Feb;40(3):390-392. doi: 10.1002/pd.5586. Epub 2019 Dec 18. No abstract available.


The Ca2+ export pump PMCA clears near-membrane Ca2+ to facilitate store-operated Ca2+ entry and NFAT activation.

Go CK, Hooper R, Aronson MR, Schultz B, Cangoz T, Nemani N, Zhang Y, Madesh M, Soboloff J.

Sci Signal. 2019 Oct 8;12(602). pii: eaaw2627. doi: 10.1126/scisignal.aaw2627.


An Emerging Crisis: Vaping-Associated Pulmonary Injury.

Hooper RW 2nd, Garfield JL.

Ann Intern Med. 2019 Oct 8. doi: 10.7326/M19-2908. [Epub ahead of print] No abstract available.


Cluster randomised trials with different numbers of measurements at baseline and endline: Sample size and optimal allocation.

Copas AJ, Hooper R.

Clin Trials. 2020 Feb;17(1):69-76. doi: 10.1177/1740774519873888. Epub 2019 Oct 3.


Mediterranean-style diet in pregnant women with metabolic risk factors (ESTEEM): A pragmatic multicentre randomised trial.

H Al Wattar B, Dodds J, Placzek A, Beresford L, Spyreli E, Moore A, Gonzalez Carreras FJ, Austin F, Murugesu N, Roseboom TJ, Bes-Rastrollo M, Hitman GA, Hooper R, Khan KS, Thangaratinam S; ESTEEM study group.

PLoS Med. 2019 Jul 23;16(7):e1002857. doi: 10.1371/journal.pmed.1002857. eCollection 2019 Jul.


Stepped wedge trials with continuous recruitment require new ways of thinking.

Hooper R, Copas A.

J Clin Epidemiol. 2019 Dec;116:161-166. doi: 10.1016/j.jclinepi.2019.05.037. Epub 2019 Jun 11.


Assignment of Infrared-Active Combination Bands in the Vibrational Spectra of Protonated Molecular Clusters Using Driven Classical Trajectories: Application to N4H+ and N4D.

Hooper R, Boutwell D, Kaledin M.

J Phys Chem A. 2019 Jul 5;123(26):5613-5620. doi: 10.1021/acs.jpca.9b04480. Epub 2019 Jun 24.


A stable Cerberus tris(maloNHC) and its coinage metal complexes.

Hooper R, Mason A, Montgomery M, Clinebell B, Gaynor R, McMillen C, Tapu D.

Chem Commun (Camb). 2019 May 25;55(42):5942-5945. doi: 10.1039/c9cc01892a. Epub 2019 May 3.


Breast Cancer Knowledge and Decisions Made for Contralateral Prophylactic Mastectomy: A Survey of Surgeons and Women in the General Population.

Hooper RC, Hsu J, Duncan A, Bensenhaver JM, Newman LA, Kidwell KM, Chung KC, Momoh AO.

Plast Reconstr Surg. 2019 May;143(5):936e-945e. doi: 10.1097/PRS.0000000000005523.


An In-Depth Review of Physician Reimbursement for Digit and Thumb Replantation.

Hooper RC, Sterbenz JM, Zhong L, Chung KC.

J Hand Surg Am. 2019 Jun;44(6):443-453. doi: 10.1016/j.jhsa.2019.02.019. Epub 2019 Apr 17.


Microstructured hydrogel scaffolds containing differential density interfaces promote rapid cellular invasion and vascularization.

Celie KB, Toyoda Y, Dong X, Morrison KA, Zhang P, Asanbe O, Jin JL, Hooper RC, Zanotelli MR, Kaymakcalan O, Bender RJ, Spector JA.

Acta Biomater. 2019 Jun;91:144-158. doi: 10.1016/j.actbio.2019.04.027. Epub 2019 Apr 18.


Duty of candour and community nursing.

Hooper R.

Br J Community Nurs. 2019 Apr 2;24(4):192-194. doi: 10.12968/bjcn.2019.24.4.192. No abstract available.


Cost-effectiveness of cell salvage and donor blood transfusion during caesarean section: results from a randomised controlled trial.

McLoughlin C, Roberts TE, Jackson LJ, Moore P, Wilson M, Hooper R, Allard S, Wrench I, Beresford L, Geoghegan J, Daniels J, Catling S, Clark VA, Ayuk P, Robson S, Gao-Smith F, Hogg M, Lanz D, Dodds J, Khan KS; SALVO study group.

BMJ Open. 2019 Feb 19;9(2):e022352. doi: 10.1136/bmjopen-2018-022352.


Sperm selection for assisted reproduction by prior hyaluronan binding: the HABSelect RCT.

Kirkman-Brown J, Pavitt S, Khalaf Y, Lewis S, Hooper R, Bhattacharya S, Coomarasamy A, Sharma V, Brison D, Forbes G, West R, Pacey A, Brian K, Cutting R, Bolton V, Miller D.

Southampton (UK): NIHR Journals Library; 2019 Feb.


Physiological, hyaluronan-selected intracytoplasmic sperm injection for infertility treatment (HABSelect): a parallel, two-group, randomised trial.

Miller D, Pavitt S, Sharma V, Forbes G, Hooper R, Bhattacharya S, Kirkman-Brown J, Coomarasamy A, Lewis S, Cutting R, Brison D, Pacey A, West R, Brian K, Griffin D, Khalaf Y.

Lancet. 2019 Feb 2;393(10170):416-422. doi: 10.1016/S0140-6736(18)32989-1.


Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.

Martineau AR, Jolliffe DA, Greenberg L, Aloia JF, Bergman P, Dubnov-Raz G, Esposito S, Ganmaa D, Ginde AA, Goodall EC, Grant CC, Janssens W, Jensen ME, Kerley CP, Laaksi I, Manaseki-Holland S, Mauger D, Murdoch DR, Neale R, Rees JR, Simpson S, Stelmach I, Trilok Kumar G, Urashima M, Camargo CA, Griffiths CJ, Hooper RL.

Health Technol Assess. 2019 Jan;23(2):1-44. doi: 10.3310/hta23020.


Vitamin D to prevent exacerbations of COPD: systematic review and meta-analysis of individual participant data from randomised controlled trials.

Jolliffe DA, Greenberg L, Hooper RL, Mathyssen C, Rafiq R, de Jongh RT, Camargo CA, Griffiths CJ, Janssens W, Martineau AR.

Thorax. 2019 Apr;74(4):337-345. doi: 10.1136/thoraxjnl-2018-212092. Epub 2019 Jan 10.


EGR-mediated control of STIM expression and function.

Go CK, Gross S, Hooper R, Soboloff J.

Cell Calcium. 2019 Jan;77:58-67. doi: 10.1016/j.ceca.2018.12.003. Epub 2018 Dec 6. Review.


Reporting of stepped wedge cluster randomised trials: extension of the CONSORT 2010 statement with explanation and elaboration.

Hemming K, Taljaard M, McKenzie JE, Hooper R, Copas A, Thompson JA, Dixon-Woods M, Aldcroft A, Doussau A, Grayling M, Kristunas C, Goldstein CE, Campbell MK, Girling A, Eldridge S, Campbell MJ, Lilford RJ, Weijer C, Forbes AB, Grimshaw JM.

BMJ. 2018 Nov 9;363:k1614. doi: 10.1136/bmj.k1614. No abstract available.


Post-disaster place attachment: A qualitative study of place attachment in the wake of the 2013 Moore tornado.

Jamali M, Nejat A, Hooper R, Greer A, Binder SB.

J Emerg Manag. 2018 Sep/Oct;16(5):289-310. doi: 10.5055/jem.2018.0379.


Prediction of pre-eclampsia: review of reviews.

Townsend R, Khalil A, Premakumar Y, Allotey J, Snell KIE, Chan C, Chappell LC, Hooper R, Green M, Mol BW, Thilaganathan B, Thangaratinam S; IPPIC Network.

Ultrasound Obstet Gynecol. 2019 Jul;54(1):16-27. doi: 10.1002/uog.20117.


Improving the efficiency of individually randomized clinical trials by staggering the introduction of the intervention.

Hooper R, Knowles C.

Stat Med. 2019 Jan 15;38(1):44-52. doi: 10.1002/sim.7959. Epub 2018 Sep 17.


Host-derived population genomics data provides insights into bacterial and diatom composition of the killer whale skin.

Hooper R, Brealey JC, van der Valk T, Alberdi A, Durban JW, Fearnbach H, Robertson KM, Baird RW, Bradley Hanson M, Wade P, Gilbert MTP, Morin PA, Wolf JBW, Foote AD, Guschanski K.

Mol Ecol. 2019 Jan;28(2):484-502. doi: 10.1111/mec.14860. Epub 2018 Oct 24.


Dietary patterns and respiratory health in adults from nine European countries-Evidence from the GA2 LEN study.

Bakolis I, Hooper R, Bachert C, Lange B, Haahtela T, Keil T, Hofmaier S, Fokkens W, Rymarczyk B, Janson C, Burney PG, Garcia-Larsen V.

Clin Exp Allergy. 2018 Nov;48(11):1474-1482. doi: 10.1111/cea.13243. Epub 2018 Sep 10.


Daily cough frequency in tuberculosis and association with household infection.

Turner RD, Birring SS, Darmalingam M, Hooper RL, Kunst H, Matos S, Bothamley GH.

Int J Tuberc Lung Dis. 2018 Aug 1;22(8):863-870. doi: 10.5588/ijtld.17.0652.


Efficacy and mechanism of sub-sensory sacral (optimised) neuromodulation in adults with faecal incontinence: study protocol for a randomised controlled trial.

McAlees E, Vollebregt PF, Stevens N, Dudding TC, Emmanuel AV, Furlong PL, Hamdy S, Hooper RL, Jones JFX, Norton C, O'Connell PR, Scott SM, Knowles CH.

Trials. 2018 Jun 26;19(1):336. doi: 10.1186/s13063-018-2689-1.


Exercise training as a novel primary treatment for localised prostate cancer: a multi-site randomised controlled phase II study.

Bourke L, Stevenson R, Turner R, Hooper R, Sasieni P, Greasley R, Morrissey D, Loosemore M, Fisher A, Payne H, Taylor SJC, Rosario DJ.

Sci Rep. 2018 May 30;8(1):8374. doi: 10.1038/s41598-018-26682-0.


The level of observed physical movement accompanying periodic limb movements measured in a clinical sleep population.

Hooper RG.

Nat Sci Sleep. 2018 Apr 27;10:127-134. doi: 10.2147/NSS.S147742. eCollection 2018.


Apnea in the Nonobese: A Need for Awareness.

Hooper RG.

Chest. 2018 Apr;153(4):1069. doi: 10.1016/j.chest.2017.09.059. No abstract available.


In vitro synergy with fluconazole plus doxycycline or tigecycline against clinical Candida glabrata isolates.

Hooper RW, Ashcraft DS, Pankey GA.

Med Mycol. 2019 Jan 1;57(1):122-126. doi: 10.1093/mmy/myy008.


Analysis of cluster randomised trials with an assessment of outcome at baseline.

Hooper R, Forbes A, Hemming K, Takeda A, Beresford L.

BMJ. 2018 Mar 20;360:k1121. doi: 10.1136/bmj.k1121. No abstract available.


Re-randomization increased recruitment and provided similar treatment estimates as parallel designs in trials of febrile neutropenia.

Kahan BC, Morris TP, Harris E, Pearse R, Hooper R, Eldridge S.

J Clin Epidemiol. 2018 May;97:14-19. doi: 10.1016/j.jclinepi.2018.02.002. Epub 2018 Feb 8.


A randomised controlled trial and economic evaluation of intraoperative cell salvage during caesarean section in women at risk of haemorrhage: the SALVO (cell SALVage in Obstetrics) trial.

Khan KS, Moore P, Wilson M, Hooper R, Allard S, Wrench I, Roberts T, McLoughlin C, Beresford L, Geoghegan J, Daniels J, Catling S, Clark VA, Ayuk P, Robson S, Gao-Smith F, Hogg M, Jackson L, Lanz D, Dodds J.

Health Technol Assess. 2018 Jan;22(2):1-88. doi: 10.3310/hta22020.


Cell salvage and donor blood transfusion during cesarean section: A pragmatic, multicentre randomised controlled trial (SALVO).

Khan KS, Moore PAS, Wilson MJ, Hooper R, Allard S, Wrench I, Beresford L, Roberts TE, McLoughlin C, Geoghegan J, Daniels JP, Catling S, Clark VA, Ayuk P, Robson S, Gao-Smith F, Hogg M, Lanz D, Dodds J; SALVO study group.

PLoS Med. 2017 Dec 19;14(12):e1002471. doi: 10.1371/journal.pmed.1002471. eCollection 2017 Dec.


Spot protein-creatinine ratio and spot albumin-creatinine ratio in the assessment of pre-eclampsia: a diagnostic accuracy study with decision-analytic model-based economic evaluation and acceptability analysis.

Waugh J, Hooper R, Lamb E, Robson S, Shennan A, Milne F, Price C, Thangaratinam S, Berdunov V, Bingham J.

Health Technol Assess. 2017 Oct;21(61):1-90. doi: 10.3310/hta21610. Review.


Impact of non-uniform correlation structure on sample size and power in multiple-period cluster randomised trials.

Kasza J, Hemming K, Hooper R, Matthews J, Forbes AB.

Stat Methods Med Res. 2019 Mar;28(3):703-716. doi: 10.1177/0962280217734981. Epub 2017 Oct 13.


Vitamin D supplementation to prevent asthma exacerbations: a systematic review and meta-analysis of individual participant data.

Jolliffe DA, Greenberg L, Hooper RL, Griffiths CJ, Camargo CA Jr, Kerley CP, Jensen ME, Mauger D, Stelmach I, Urashima M, Martineau AR.

Lancet Respir Med. 2017 Nov;5(11):881-890. doi: 10.1016/S2213-2600(17)30306-5. Epub 2017 Oct 3. Review. Erratum in: Lancet Respir Med. 2018 Jun;6(6):e27.


External validation, update and development of prediction models for pre-eclampsia using an Individual Participant Data (IPD) meta-analysis: the International Prediction of Pregnancy Complication Network (IPPIC pre-eclampsia) protocol.

Allotey J, Snell KIE, Chan C, Hooper R, Dodds J, Rogozinska E, Khan KS, Poston L, Kenny L, Myers J, Thilaganathan B, Chappell L, Mol BW, Von Dadelszen P, Ahmed A, Green M, Poon L, Khalil A, Moons KGM, Riley RD, Thangaratinam S; IPPIC Collaborative Network.

Diagn Progn Res. 2017 Oct 3;1:16. doi: 10.1186/s41512-017-0016-z. eCollection 2017.


Surgery for constipation: systematic review and clinical guidance: Paper 1: Introduction & Methods.

Knowles CH, Grossi U, Horrocks EJ, Pares D, Vollebregt PF, Chapman M, Brown SR, Mercer-Jones M, Williams AB, Hooper RJ, Stevens N, Mason J; NIHR CapaCiTY working group; Pelvic floor Society.

Colorectal Dis. 2017 Sep;19 Suppl 3:5-16. doi: 10.1111/codi.13774. Review.


Surgery for constipation: systematic review and practice recommendations: Graded practice and future research recommendations.

Knowles CH, Grossi U, Horrocks EJ, Pares D, Vollebregt PF, Chapman M, Brown S, Mercer-Jones M, Williams AB, Yiannakou Y, Hooper RJ, Stevens N, Mason J; NIHR CapaCiTY working group; Pelvic floor Society and; European Society of Coloproctology.

Colorectal Dis. 2017 Sep;19 Suppl 3:101-113. doi: 10.1111/codi.13775. Review.


Positioning In Macular hole Surgery (PIMS): statistical analysis plan for a randomised controlled trial.

Bell L, Hooper R, Bunce C, Pasu S, Bainbridge J.

Trials. 2017 Jun 13;18(1):274. doi: 10.1186/s13063-017-2020-6.


Intrauterine insemination with gonadotropin stimulation or in vitro fertilization for the treatment of unexplained subfertility: a randomized controlled trial.

Nandi A, Bhide P, Hooper R, Gudi A, Shah A, Khan K, Homburg R.

Fertil Steril. 2017 Jun;107(6):1329-1335.e2. doi: 10.1016/j.fertnstert.2017.03.028. Epub 2017 May 10.


Mediterranean diet based intervention in pregnancy to improve maternal and fetal outcomes: Methodological challenges and lessons learned from the multicentre ESTEEM study.

Al Wattar BH, Dodds J, Placzek A, Spyreli E, Higgins S, Moore A, Hooper R, Beresford L, Roseboom TJ, Bes-Rastrollo M, Hitman G, Khan KS, Thangaratinam S; ESTEEM study group.

Contemp Clin Trials Commun. 2017 Mar 29;6:72-77. doi: 10.1016/j.conctc.2017.02.012. eCollection 2017 Jun.


Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data.

Martineau AR, Jolliffe DA, Hooper RL, Greenberg L, Aloia JF, Bergman P, Dubnov-Raz G, Esposito S, Ganmaa D, Ginde AA, Goodall EC, Grant CC, Griffiths CJ, Janssens W, Laaksi I, Manaseki-Holland S, Mauger D, Murdoch DR, Neale R, Rees JR, Simpson S Jr, Stelmach I, Kumar GT, Urashima M, Camargo CA Jr.

BMJ. 2017 Feb 15;356:i6583. doi: 10.1136/bmj.i6583. Review.


Prevalence, determinants and clinical correlates of vitamin D deficiency in patients with Chronic Obstructive Pulmonary Disease in London, UK.

Jolliffe DA, James WY, Hooper RL, Barnes NC, Greiller CL, Islam K, Bhowmik A, Timms PM, Rajakulasingam RK, Choudhury AB, Simcock DE, Hyppönen E, Walton RT, Corrigan CJ, Griffiths CJ, Martineau AR.

J Steroid Biochem Mol Biol. 2018 Jan;175:138-145. doi: 10.1016/j.jsbmb.2017.01.019. Epub 2017 Feb 1.


Hyaluronic Acid Binding Sperm Selection for assisted reproduction treatment (HABSelect): study protocol for a multicentre randomised controlled trial.

Witt KD, Beresford L, Bhattacharya S, Brian K, Coomarasamy A, Cutting R, Hooper R, Kirkman-Brown J, Khalaf Y, Lewis SE, Pacey A, Pavitt S, West R, Miller D, Cutting R.

BMJ Open. 2016 Oct 7;6(10):e012609. doi: 10.1136/bmjopen-2016-012609. Erratum in: BMJ Open. 2017 Jun 26;7(6):e012609corr1.


Prevalence, determinants and clinical correlates of vitamin D deficiency in adults with inhaled corticosteroid-treated asthma in London, UK.

Jolliffe DA, Kilpin K, MacLaughlin BD, Greiller CL, Hooper RL, Barnes NC, Timms PM, Rajakulasingam RK, Bhowmik A, Choudhury AB, Simcock DE, Hyppönen E, Corrigan CJ, Walton RT, Griffiths CJ, Martineau AR.

J Steroid Biochem Mol Biol. 2018 Jan;175:88-96. doi: 10.1016/j.jsbmb.2016.11.004. Epub 2016 Nov 5.


Novel STIM1-dependent control of Ca2+ clearance regulates NFAT activity during T-cell activation.

Samakai E, Hooper R, Martin KA, Shmurak M, Zhang Y, Kappes DJ, Tempera I, Soboloff J.

FASEB J. 2016 Nov;30(11):3878-3886. Epub 2016 Aug 15.

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