Objectives: The objective of this study was to evaluate whether disparities in pancreatic cancer diagnosis, treatment, and survival are reduced in an integrated health system.
Methods: We conducted a retrospective study (2006-2014) among patients with pancreatic cancer from Kaiser Permanente Southern California. Racial ethnic groups included non-Hispanic whites (NHW), non-Hispanic blacks (NHB), Hispanics, and Asians. We used multivariable and Cox regression analyses to evaluate disparities in diagnosis and treatment utilization (oncology care, surgery, time to surgery, chemotherapy) and overall survival, respectively.
Results: Among 2103 patients, 54% were diagnosed with stage IV disease, 80% received oncology consultation, 20% received surgery with mean time to surgery 27 days (standard deviation, 36.8), 50.4% received chemotherapy. Mean overall survival was 8.6 months (standard deviation, 11.5). There were no differences in odds of stage IV diagnosis, oncology consultation, surgery, or time to surgery by racial ethnic group. Asians were more likely to receive chemotherapy (odds ratio, 1.59; 95% confidence interval [CI], 1.09-2.32) compared to NHW. NHB (hazard ratio, 0.78; 95% CI, 0.67-0.91) and Asians (hazard ratio, 0.81; 95% CI, 0.66-1.00) had improved survival compared to NHW.
Conclusions: Minorities were not disadvantaged in pancreatic cancer care. Improved health care coordination may improve current disparities.
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