Miss Christina Easter MSc, MMath

Miss Christina Easter

Institute of Applied Health Research
Medical Statistician

Contact details

Public Health Building

Christina Easter is a Medical Statistician in the Institute of Applied Health Research and a member of the Biostatistics, Evidence Synthesis and Test Evaluation (BESaTE) research group. Christina’s main research interests are in prognosis and more recently cluster randomised trials. Christina also works for the West Midlands Research Design Service (RDS) as a statistical advisor.


  • MSc in Statistics with Medical applications, University of Sheffield, 2016
  • MMath(Hons) in Mathematics, University of Manchester, 2015



Recent publications


Devall, AJ, Easter, CL, Price, MJ, Islam, MA & Coomarasamy, A 2023, 'Objective Measurement of Blood Loss following Vaginal Delivery in a UK Hospital', Clinical and Experimental Obstetrics & Gynecology, vol. 50, no. 11, 236. https://doi.org/10.31083/j.ceog5011236

Blackwood, B, Morris, KP, Jordan, J, McIlmurray, L, Agus, A, Boyle, R, Clarke, M, Easter, C, Feltbower, RG, Hemming, K, Macrae, D, McDowell, C, Murray, M, Parslow, R, Peters, MJ, Phair, G, Tume, LN, Walsh, TS & McAuley, DF 2022, 'Co-ordinated multidisciplinary intervention to reduce time to successful extubation for children on mechanical ventilation: the SANDWICH cluster stepped-wedge RCT', Health Technology Assessment, vol. 26, no. 18, pp. 1-114. https://doi.org/10.3310/TCFX3817

Melo, P, Wood, S, Petsas, G, Chung, Y, Easter, C, Price, M, Fishel, S, Khairy, M, Kingsland, C, Lowe, P, Rajkhowa, M, Sephton, V, Pandey, S, Kazem, R, Walker, D, Gorodeckaja, J, Wilcox, M, Gallos, I, Tozer, A & Coomarasamy, A 2022, 'The effect of frozen embryo transfer regimen on the association between serum progesterone and live birth: a multicentre prospective cohort study (ProFET)', Human Reproduction, vol. 2022, no. 4, hoac054. https://doi.org/10.1093/hropen/hoac054

Fabritz, L, Crijns, HJGM, Guasch, E, Goette, A, Hausler, K, Kotecha, D, Lewalter, T, Meyer, CG, Potpara, TS, Rienstra, M, B Schnabel, R, Willems, S, Breithardt, G, Camm, AJ, Chan, A, Chua, WWL, De Melis, M, Dimopoulou, C, Dobrev, D, Easter, C, Eckardt, L, Haase, D, Hatem, S, Healey, JS, Heijman, J, Hohnloser, SH, Huebner, T, Saeed Ilyas, B, Isaacs, A, Kutschka, I, Leclercq, C, Lip, G, Marinelli, EA, Merino, JL, Mont, L, Nabauer, M, Oldgren, J, Pürerfellner, H, Ravens, U, Savelieva, I, Sinner, MF, Sitch, A, Smolnik, R, Steffel, J, Stein, K, Stoll, M, Svennberg, E, Thomas, D, Van Gelder, IC, Vardar, B, Wakili, R, Wieloch, M, Zeemering, S, Ziegler, P, Heidbuchel, H, Hindricks, G, Schotten, U & Kirchhof, P 2021, 'Dynamic risk assessment to improve quality of care in patients with atrial fibrillation: the 7th AFNET/EHRA Consensus Conference', EP Europace, vol. 23, no. 3, pp. 329–344. https://doi.org/10.1093/europace/euaa279

SANDWICH Collaborators 2021, 'Effect of a sedation and ventilator liberation protocol vs usual care on duration of invasive mechanical ventilation in pediatric intensive care units: a randomized clinical trial', JAMA The Journal of the American Medical Association, vol. 326, no. 5, pp. 401-410. https://doi.org/10.1001/jama.2021.10296

Easter, C & Hemming, K 2021, 'Looking at knock-on effects: univariable, multivariable linear regression', BJOG: An International Journal of Obstetrics & Gynaecology, vol. 128, no. 11, pp. 1745-1747. https://doi.org/10.1111/1471-0528.16701

PARROT Ireland trial group & Morrison, JJ 2021, 'Placental growth factor in assessment of women with suspected pre-eclampsia to reduce maternal morbidity: a stepped wedge cluster randomised control trial (PARROT Ireland)', BMJ, vol. 374, n1857. https://doi.org/10.1136/bmj.n1857

Easter, C & Hemming, K 2021, 'What are the odds? Interpretation of odds ratios from a logistic regression model', BJOG: An International Journal of Obstetrics & Gynaecology, vol. 128, no. 11, pp. 1748-1749. https://doi.org/10.1111/1471-0528.16704

Chua, WWL, Easter, C, Guasch, E, Sitch, A, Casadei, B, Crijns, HJGM, Haase, D, Hatem, S, Kääb, S, Mont, L, Schotten, U, Sinner, MF, Hemming, K, Deeks, J, Kirchhof, P & Fabritz, L 2019, 'Development and external validation of predictive models for prevalent and recurrent atrial fibrillation: a protocol for the analysis of the CATCH ME combined dataset', BMC Cardiovascular Disorders, vol. 19, no. 1, 120. https://doi.org/10.1186/s12872-019-1105-4

Mason, F, Farley, A, Pallan, M, Sitch, A, Easter, C & Daley, A 2018, 'Effectiveness of a brief behavioural intervention to prevent weight gain over the Christmas holiday period: randomised controlled trial', BMJ, vol. 363, k4867. https://doi.org/10.1136/bmj.k4867

Review article

Bamford, T, Barrie, A, Montgomery, S, Dhillon-Smith, R, Campbell, A, Easter, C & Coomarasamy, A 2022, 'Morphological and morphokinetic associations with aneuploidy: a systematic review and meta-analysis', Human Reproduction Update, vol. 28, no. 5, dmac022, pp. 656-686. https://doi.org/10.1093/humupd/dmac022

Easter, C, Thompson, JA, Eldridge, S, Taljaard, M & Hemming, K 2021, 'Cluster randomized trials of individual-level interventions were at high risk of bias', Journal of Clinical Epidemiology, vol. 138, pp. 49-59. https://doi.org/10.1016/j.jclinepi.2021.06.021

CRT Binary Outcome Reporting Group 2021, 'Completeness of reporting and risks of overstating impact in cluster randomised trials: a systematic review', Lancet Global Health, vol. 9, no. 8, pp. e1163-e1168. https://doi.org/10.1016/S2214-109X(21)00200-X

Hemming, K, Carroll, K, Thompson, J, Forbes, A, Taljaard, M, Stepped-wedge cluster randomized trial (SW-CRT) Review Group & Easter, C 2019, 'Quality of stepped-wedge trial reporting can be reliably assessed using an updated CONSORT: crowd-sourcing systematic review', Journal of Clinical Epidemiology, vol. 107, pp. 77-88. https://doi.org/10.1016/j.jclinepi.2018.11.017

View all publications in research portal