PT - JOURNAL ARTICLE AU - Thamanna Nishath AU - Xiudi Li AU - Arthika Chandramohan AU - Megan Othus AU - Xunda Ji AU - Yihua Zou AU - Sadia Sultana AU - Riffat Rashid AU - Sadik Taju Sherief AU - Nathalie Cassoux AU - Juan Luis Garcia Leon AU - Rosdali Díaz Coronado AU - Arturo Manuel Zapata López AU - Tatiana L Ushakova AU - Vladimir G Polyakov AU - Soma Rani Roy AU - Alia Ahmad AU - Ashwin Reddy AU - Mandeep S Sagoo AU - Lamis Al Harby AU - Jonathan W Kim AU - Jesse L Berry AU - Ashley Polski AU - Nick Astbury AU - Cova Bascaran AU - Sharon Blum AU - Richard Bowman AU - Matthew J Burton AU - Allen Foster AU - Nir Gomel AU - Naama Keren-Froim AU - Shiran Madgar AU - Marcia Zondervan AU - Swathi Kaliki AU - Ido Didi Fabian AU - Andrew Stacey TI - Risk factors associated with abandonment of care in retinoblastoma: analysis of 692 patients from 10 countries AID - 10.1136/bjo-2022-321159 DP - 2022 Sep 16 TA - British Journal of Ophthalmology PG - bjophthalmol-2022-321159 4099 - http://bjo.bmj.com/content/early/2022/09/16/bjo-2022-321159.short 4100 - http://bjo.bmj.com/content/early/2022/09/16/bjo-2022-321159.full AB - Background Rates of care abandonment for retinoblastoma (RB) demonstrate significant geographical variation; however, other variables that place a patient at risk of abandoning care remain unclear. This study aims to identify the risk factors for care abandonment across a multinational set of patients.Methods A prospective, observational study of 692 patients from 11 RB centres in 10 countries was conducted from 1 January 2019 to 31 December 2019. Multivariate logistic regression was used to identify risk factors associated with higher rates of care abandonment.Results Logistic regression showed a higher risk of abandoning care based on country (high-risk countries include Bangladesh (OR=18.1), Pakistan (OR=45.5) and Peru (OR=9.23), p<0.001), female sex (OR=2.39, p=0.013) and advanced clinical stage (OR=4.22, p<0.001). Enucleation as primary treatment was not associated with a higher risk of care abandonment (OR=0.59, p=0.206).Conclusion Country, advanced disease and female sex were all associated with higher rates of abandonment. In this analysis, enucleation as the primary treatment was not associated with abandonment. Further research investigating cultural barriers can enable the building of targeted retention strategies unique to each country.Data are available upon reasonable request.