Impact of the Early Phase of the COVID-19 Pandemic on the Quality of Care for Colorectal and Anal Cancers at Comprehensive Cancer Centers on Two Continents.

The early phase of the COVID-19 pandemic affected cancer care globally. Evaluating the impact of the pandemic on the quality of cancer care delivery is crucial for understanding how changes in care delivery may influence outcomes. Our study compared care delivered during the early phase of the pandemic with the same period in the previous year at two institutions across continents (Princess Margaret Cancer Center [PM] in Canada and A.C. Camargo Cancer Center [AC] in Brazil). Patients newly diagnosed with colorectal or anal cancer between February and December 2019 and the same period in 2020 were analyzed. Sociodemographic and clinical characteristics and performance of individual indicators within and between centers and between the peri-COVID-19 and control cohorts were tested using Cohen's Among 925 patients, distinct effects of the early COVID-19 pandemic on oncology services were observed. AC experienced a 50% reduction in patient consultations (98 The early phase of the COVID-19 pandemic affected the quality of care delivery for colorectal and anal cancers at both centers. However, the magnitude of this impact was greater in Brazil.