The effect of obesity on cost of total laparoscopic hysterectomy

Vinita Angeline Rajadurai, Elizabeth Nathan, Jennifer Claire Pontré, Bernadette Mcelhinney, Krishnan Andrew Karthigasu, Roger Hart

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Study objective: To test for the association between increasing patient body mass index (BMI) and the cost of total laparoscopic hysterectomy (TLH). Secondary outcomes include the relationship between increasing BMI and both peri- and post-operative morbidity. Materials and methods: Retrospective cohort study of patients (N = 510) who underwent TLH between January 2017 and December 2018 at a single public tertiary teaching hospital. Results: Morbid obesity (n = 63) was associated with significantly higher total admission costs ($19 654 vs $17 475 Australian dollars, P = 0.002), operative costs ($9447 vs $8630, P = 0.017) and total costs including readmissions ($20 476 vs $18 399, P = 0.016) when compared to patients with normal BMI (n = 103) and adjusting for age, indication for surgery, additional procedures and conversion to total abdominal hysterectomy. Costs for overweight (n = 134) and obese (n = 210) BMI groups did not differ from costs for the normal BMI group. Increased operative costs observed in the morbidly obese group, were largely driven by the time associated with set-up, transfer and anaesthetic time while surgical and recovery times were not statistically significant. Conclusion: The total cost of TLH is increased in the morbidly obese category of patients. The operative costs appear to be related to pre-operative measures such as theatre set-up and anaesthetic requirements. TLH in the obese and morbidly obese category group is not associated with increased intra-operative or post-operative complications. There may be a role for exploring improvements in managing morbidly obese patients in the pre-operative setting.

Original languageEnglish
Pages (from-to)566-573
Number of pages8
JournalAustralian and New Zealand Journal of Obstetrics and Gynaecology
Issue number4
Early online date2022
Publication statusPublished - Aug 2022


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