ASPO Abstracts
Disparities in postoperative surveillance among patients diagnosed with non-metastatic colorectal cancer
Category: Cancer Health Disparities, Survivorship & Health Outcomes/Comparative Effectiveness Research
Conference Year: 2018
Abstract Body:
Purpose: Colorectal cancer postoperative surveillance allows for the early detection of cancer recurrence. Racial/ethnic minorities residing in Western Washington state may be less likely to be adherent to post-operative surveillance and these differences may be explained by sociodemographic patient characteristics. This study will assess the relationship between patient-level sociodemographic characteristics and adherence to postoperative surveillance among individuals diagnosed with non-metastatic colorectal cancer. Methods: To better understand whether disparities exist in colorectal cancer surveillance, we will conduct a retrospective population-based cohort study using the Western Washington SEER-Medicare linked database. Patients who are > 65 years of age with Medicare who have undergone surgery with curative intent for first-primary non-metastatic colorectal cancer between 1995 to 2015 will be included. We will use chi-square to assess significant differences between racial/ethnic groups for categorical variables, such as race/ethnicity, age, gender, marital status. Multivariable logistic regression will be used to estimate the odds for the association between sociodemographic variables and type of surveillance adherence. Results: Sociodemographic distribution differences will be presented across race/ethnicity and type of surveillance (i.e. intensive vs less intenstive). The adjusted odds ratios and 95% confidence interval (CI) of surveillance adherence by race/ethnicity will also be presented. Conclusions: Previous research has identified racial/ethnic differences in colorectal cancer surveillance. However, these studies limit the data examined to 2005. This study will contribute to a body of research on cancer survivor adherence disparities by presenting on data in a population-based cohort up to 2015.
Keywords: colorectal cancer, surveillance, disparities