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Research

Professor Andrew Titman

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  1. 2024
  2. Published

    A Systematic Review of Methodologies Used in Models of the Treatment of Diabetes Mellitus

    Antoniou, M., Mateus, C., Hollingsworth, B. & Titman, A., 1/01/2024, In: PharmacoEconomics. 42, 1, p. 19-40 22 p.

    Research output: Contribution to Journal/Magazine › Review article › peer-review

  3. 2023
  4. E-pub ahead of print

    A Spline Function Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 19/06/2023, (E-pub ahead of print) In: Journal of Simulation. 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    Input Uncertainty Quantification for Quantiles

    Parmar, D., Morgan, L., Titman, A., Sanchez, S. & Williams, R., 23/01/2023, 2022 Winter Simulation Conference (WSC). Feng, B., Pedrielli, G., Peng, Y., Shashaani, S., Song, E., Corlu, C. G., Lee, L. H., Chew, E. P., Roeder, T. & Lendermann, P. (eds.). IEEE, p. 97-108 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  6. 2022
  7. Published

    Estimating quality-adjusted life-years: Assessing the bias induced for a terminal decline quality of life model

    Welsh, A., Costain, D. & Titman, A., 18/07/2022, Proceedings of the 36th International Workshop on Statistical Modelling: July 18-22, 2022 - Trieste, Italy. Torelli, N., Bellio, R. & Muggeo, V. (eds.). EUT Edizioni Università di Trieste, Trieste 2022, p. 354-359 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper

  8. Published

    Baseline and peak cortisol response to the low dose short Synacthen test relates to indication for testing, age and sex

    Park, J., Titman, A., Lancaster, G., Selvarajah, B., Collingwood, C., Powell, D., Das, U., Dharmaraj, P., Didi, M., Senniappan, S. & Blair, J., 30/06/2022, In: Journal of the Endocrine Society. 6, 6, p. bvac043 bvac043.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    General tests of the Markov property in multi-state models

    Titman, A. & Putter, H., 30/04/2022, In: Biostatistics. 23, 2, p. 380-396 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Comparing Data Collection Strategies via Input Uncertainty When Simulating Testing Policies Using Viral Load Profiles

    Parmar, D., Morgan, L., Titman, A., Regnier, E. & Sanchez, S., 28/02/2022, WSC '21: Proceedings of the Winter Simulation Conference. IEEE Press, 12 p. 101

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  11. 2021
  12. Published

    Incidence and risk factors of long COVID in the UK: a single-centre observational study

    Nune, A., Durkowski, V., Titman, A., Gupta, L., Hadzhiivanov, M., Ahmed, A., Musat, C. & Sapktoa, H., 9/12/2021, In: The Journal of the Royal College of Physicians of Edinburgh. 51, 4, p. 338-343 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    A Two Stage Algorithm for Guiding Data Collection Towards Minimising Input Uncertainty

    Parmar, D., Morgan, L., Titman, A., Williams, R. & Sanchez, S., 22/03/2021, Operational Research Society 10th Simulation Workshop, SW 2021 - Proceedings. Fakhimi, M., Boness, T. & Robertson, D. (eds.). Birmingham: Operational Research Society, p. 127-136 10 p. (Operational Research Society 10th Simulation Workshop, SW 2021 - Proceedings).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  14. Published

    Recurrent events modelling of haemophilia bleeding events

    Titman, A., Wolfsegger, M. J. & Jaki, T., 1/03/2021, In: Journal of the Royal Statistical Society: Series C (Applied Statistics). 70, 2, p. 351-371 21 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. 2020
  16. Published

    Salivary cortisol, cortisone and serum cortisol concentrations are related to age and body mass index in healthy children and young people

    Titman, A., Price, V., Hawcutt, D., Chesters, C., Ali, M., Cacace, G., Lancaster, G., Peak, M. & Blair, J. C., 31/10/2020, In: Clinical Endocrinology. 93, 5, p. 572-578 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  17. Published

    Bias induced during the estimation of quality-adjusted life-years

    Welsh, A., Costain, D. & Titman, A., 20/07/2020, Proceedings of the 35th International Workshop on Statistical Modelling. 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper

  18. Published

    A Spline-based Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 20/02/2020, Proceedings of the 2019 Winter Simulation Conference. IEEE Press, 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  19. E-pub ahead of print

    Dynamic inference for non-Markov transition probabilities under random right-censoring

    Dobler, D. & Titman, A. C., 14/01/2020, (E-pub ahead of print) In: Scandinavian Journal of Statistics. 47, 2, p. 572-586 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Stroke mortality risk factors: a framework incorporating time-dependent covariate effects and multiple imputation for missing data

    Costain, D., Titman, A. & France, A., 2020, 25 p.

    Research output: Working paper

  21. 2019
  22. Published

    Detecting bias due to input modelling in computer simulation

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 16/12/2019, In: European Journal of Operational Research. 279, 3, p. 869-881 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Subgroup analysis of treatment effects for misclassified biomarkers with time-to-event data

    Wan, F., Titman, A. & Jaki, T., 1/11/2019, In: Journal of the Royal Statistical Society: Series C (Applied Statistics). 68, 5, p. 1447-1463 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Response to comments on Jaki et al., A proposal for a new PhD level curriculum on quantitative methods for drug development. Pharm Stat 17(5):593-606, Sep/Oct 2018., DOI https://doi.org/10.1002/pst.1873

    Jaki, T., Gordon, A., Forster, P., Bijnens, L., Bornkamp, B., Brannath, W., Fontana, R., Gasparini, M., Hampson, L. V., Jacobs, T., Jones, B., Paoletti, X., Posch, M., Titman, A., Vonk, R. & Koenig, F., 1/05/2019, In: Pharmaceutical Statistics. 18, 3, p. 284-286 3 p.

    Research output: Contribution to Journal/Magazine › Letter › peer-review

  25. Published

    Instrumental variable estimation in semi-parametric additive hazards models

    Brueckner, M., Titman, A. C. & Jaki, T. F., 1/03/2019, In: Biometrics. 75, 1, p. 110-120 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    Quantifying the association between progression-free survival and overall survival in oncology trials using Kendall's tau.

    Weber, E. & Titman, A. C., 28/02/2019, In: Statistics in Medicine. 38, 5, p. 703-719 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. 2018
  28. E-pub ahead of print

    The role of the home environment in neurocognitive development of children living in extreme poverty and with frequent illnesses: a cross-sectional study

    Nampijja, M., Kizindo, R., Apule, B., Lule, S. A., Muhangi, L., Titman, A., Elliott, A., Alcock, K. J. & Lewis, C. N., 3/12/2018, (E-pub ahead of print) In: Wellcome Open Research. 3, 17 p., 152.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Creation of the WHO Indicators of Infant and Young Child Development (IYCD): metadata synthesis across 10 countries

    Lancaster, G. A., McCray, G., Kariger, P., Dua, T., Titman, A., Chandna, J., McCoy, D., Abubakar, A., Hamadani, J. D., Fink, G., Tofail, F., Gladstone, M. & Janus, M., 16/10/2018, In: BMJ Global Health. 3, 5, 15 p., e000747.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  30. Published

    Performance of different clinical trial designs to evaluate treatments during an epidemic

    Brueckner, M., Titman, A. C., Jaki, T. F., Rojek, A. & Horby, P. W., 11/09/2018, In: PLoS ONE. 13, 9, 19 p., e0203387.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  31. Published

    A proposal for a new PhD level curriculum on quantitative methods for drug development

    Jaki, T. F., Gordon, A., Forster, P. S., Bijnens, L., Bornkamp, B., Brannath, W., Fontana, R., Gasparini, M., Hampson, L. V., Jacobs, T., Jones, B., Paoletti, X., Posch, M., Titman, A. C., Vonk, R. & Koenig, F., 09/2018, In: Pharmaceutical Statistics. 17, 5, p. 593-606 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    PET-PANC: multicentre prospective diagnostic accuracy and health economic analysis study of the impact of combined modality 18fluorine-2-fluoro-2-deoxy-d-glucose positron emission tomography with computed tomography scanning in the diagnosis and management of pancreatic cancer

    Ghaneh, P., Hanson, R., Titman, A., Lancaster, G. A., Plumpton, C., Lloyd-Williams, H., Yeo, S. T., Edwards, R. T., Johnson, C., Abu Hilal, M., Higginson, A. P., Armstrong, T., Smith, A., Scarsbrook, A., McKay, C., Carter, R., Sutcliffe, R. P., Bramhall, S., Kocher, H. M., Cunningham, D., & 20 othersPereira, S. P., Davidson, B., Chang, D., Khan, S., Zealley, I., Sarker, D., Al Sarireh, B., Charnley, R., Lobo, D., Nicolson, M., Halloran, C., Raraty, M., Sutton, R., Vinjamuri, S., Evans, J., Campbell, F., Deeks, J., Sanghera, B., Wong, W-L. & Neoptolemos, J. P., 02/2018, In: Health Technology Assessment. 22, 7, p. 1-114 114 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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