Red X iconGreen tick iconYellow tick icon

Andrew McCombieResearch Officer and Data Analyst (Te Whatu Ora | Health New Zealand) and Honorary Senior Research Fellow (UOC)

BSc BA(Hons)(Cant)PhD(Otago)


Dr Andrew McCombie works in the Department of Surgery on various projects in general surgery, emergency medicine, and beyond. He is a Research Officer and Data Analyst for Te Whatu Ora | Health New Zealand and Honorary Senior Research Fellow for the University of Otago, Christchurch.

Andrew has expertise in statistics. Presently completing a Graduate Certificate in Arts (Statistics) at Massey University, Andrew can assist in statistical analysis including power calculations before the study and analysis once the data is collected. Andrew has performed statistical calculations for interventional and observational research. The statistical software packages he most often uses are Rstudio and Statistical Packages for Social Sciences (SPSS).

Andrew helps in the management of observational and interventional research. Andrew has driven projects in questionnaire validation, patient education resources, psychological interventions, and smartphone app development.

Outside the academic environment, Andrew assists in the use of Scope and Cortex at Christchurch Hospital including the recording of operation notes, surgical outcomes and hospital stays.

Andrew can assist with study design, study protocol writing, funding applications, navigating Māori consultation and ethics committee processes, statistical analysis, data collection and extraction, and preparing papers for publication.

In 2014 Andrew completed his PhD in the psychological aspects of inflammatory bowel disease.

Andrew has previously completed a long term follow up of ileal pouch surgeries performed in Canterbury in the past two decades from which two papers were published. He and Associate Professor Tim Eglinton translated the information from this study into a patient information brochure for ulcerative colitis patients considering ileal pouch surgery.

He has previously been a board member for Crohn’s and Colitis New Zealand and been on the Executive for The New Zealand Society of Gastroenterology. He currently sits on the data governance group for the New Zealand Trauma Registry.

Research interests

  • Inflammatory bowel disease ( IBD ; Crohn’s disease and ulcerative colitis)
  • Bowel cancer
  • Psychology
  • Quality of life
  • Psychological distress, depression, and anxiety
  • Smartphone apps (IBDsmart and IBDoc)
  • Patient education and translation of technical medical information
  • Computerised psychological interventions
  • Questionnaire writing and validation
  • Online questionnaire building
  • Randomised controlled trials
  • Systematic reviews (smartphone apps for IBD ; computerised cognitive behavioural therapy for physical illnesses; coping strategies of IBD patients; psychotherapy for IBD )
  • Traumatic injury
  • Emergency Medicine
  • Incidence studies
  • Study design
  • Power calculations
  • Statistical analysis with SPSS , Rstudio, and other programs including Excel
  • General and generalised linear models
  • Standardised reporting of operation notes


Joyce, L. R., McCombie, A., & Crossin, R. (2024). Alcohol-related harm and Aotearoa New Zealand emergency departments. New Zealand Medical Journal/Te ara tika o te hauora hapori, 137(1596), 9-12. Retrieved from Journal - Research Other

Nikolic, A., Tranter-Entwistle, I., McCombie, A., Connor, S., & Eglinton, T. (2024). The utility of synoptic operation reports in colorectal surgery: A systematic review. International Journal of Colorectal Disease, 39, 63. doi: 10.1007/s00384-024-04613-y Journal - Research Other

McCombie, A., Bothara, R., MacCormick, A., Carne, B., Hercus, A., & Eglinton, T. (2024). A longitudinal study examining the relationship between prioritization scores and changes in impact on life scores in elective surgery patients. ANZ Journal of Surgery. Advance online publication. doi: 10.1111/ans.19014 Journal - Research Article

Waddell, O., Teo, Y., Thompson, N., McCombie, A., Glyn, T., & Frizelle, F. (2024). Do treatment patterns differ in those with early-onset colorectal cancer? Expert Review of Anticancer Therapy, 24(5), 313-323. doi: 10.1080/14737140.2024.2341731 Journal - Research Article

Waddell, O., Pearson, J., McCombie, A., Marshall, H., Purcell, R., Keenan, J., Glyn, T., & Frizelle, F. (2024). The incidence of early onset colorectal cancer in Aotearoa New Zealand: 2000–2020. BMC Cancer, 24, 456. doi: 10.1186/s12885-024-12122-y Journal - Research Article

Back to top