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BACKGROUND
The incidence of adenocarcinoma, the most common type of small intestine cancer, is increasing. Prior studies found a 5-year survival of about 25% even with surgical resection and lymph node dissection. A recent study found higher survival in insured versus uninsured patients, yet differential outcomes and treatments between private insurance and Medicare, along with Medicaid and no insurance, are unknown. This study aims to determine differential survival and treatment of patients with small intestine adenocarcinoma based on insurance status.
METHODS
The National Cancer Database was used to identify patients diagnosed with small intestine adenocarcinoma from 2004-2019 using the histology code 8140 as assigned by the Commission on Cancer Accreditation program. Kaplan-Meier, Chi-Square, ANOVA, and Cox Proportional Hazards tests were performed. Data was analyzed using IBM SPSS version 28 and statistical significance was set at α=0.05.
RESULTS
Of the 20,933 patients included, 7,629 (32.4%) had private insurance and 13,075 (55.5%) had Medicare. Patients with private insurance had a longer median survival (28.8 months) than patients with Medicare, Medicaid, and no insurance (p<.001), while patients with Medicare had a shorter median survival (12.2 months) than other insurance statuses (p<.001). No median survival difference existed between those with Medicaid (18.9 months) and no insurance (18.0 months) (p=.882). After controlling for age, co-morbidity score, grade, tumor size, low-income, academic facility, surgery of primary site, palliative care, and days between diagnosis and treatment, private insurance was associated with an independent decrease in hazard (HR=.874; p<.001). Patients with private insurance received more surgery (67.8%) than those with Medicaid (58.6%), no insurance (54.4%), and Medicare (52.9%) (p<.001). Patients with Medicare received more adjuvant radiation, but patients with private insurance received more adjuvant chemoradiation (p<.001). While patients with Medicare presented with greater co-morbidities and age, patients with private insurance presented with fewer co-morbidities, smaller sized tumors, and shorter time between diagnosis and treatment (p<.001).
CONCLUSIONS
Since patients with private insurance received the most surgery and displayed the highest overall survival, while patients with Medicare displayed the lowest survival, future research should explore ways to alleviate this disparity in surgical resections.
BACKGROUND
The incidence of adenocarcinoma, the most common type of small intestine cancer, is increasing. Prior studies found a 5-year survival of about 25% even with surgical resection and lymph node dissection. A recent study found higher survival in insured versus uninsured patients, yet differential outcomes and treatments between private insurance and Medicare, along with Medicaid and no insurance, are unknown. This study aims to determine differential survival and treatment of patients with small intestine adenocarcinoma based on insurance status.
METHODS
The National Cancer Database was used to identify patients diagnosed with small intestine adenocarcinoma from 2004-2019 using the histology code 8140 as assigned by the Commission on Cancer Accreditation program. Kaplan-Meier, Chi-Square, ANOVA, and Cox Proportional Hazards tests were performed. Data was analyzed using IBM SPSS version 28 and statistical significance was set at α=0.05.
RESULTS
Of the 20,933 patients included, 7,629 (32.4%) had private insurance and 13,075 (55.5%) had Medicare. Patients with private insurance had a longer median survival (28.8 months) than patients with Medicare, Medicaid, and no insurance (p<.001), while patients with Medicare had a shorter median survival (12.2 months) than other insurance statuses (p<.001). No median survival difference existed between those with Medicaid (18.9 months) and no insurance (18.0 months) (p=.882). After controlling for age, co-morbidity score, grade, tumor size, low-income, academic facility, surgery of primary site, palliative care, and days between diagnosis and treatment, private insurance was associated with an independent decrease in hazard (HR=.874; p<.001). Patients with private insurance received more surgery (67.8%) than those with Medicaid (58.6%), no insurance (54.4%), and Medicare (52.9%) (p<.001). Patients with Medicare received more adjuvant radiation, but patients with private insurance received more adjuvant chemoradiation (p<.001). While patients with Medicare presented with greater co-morbidities and age, patients with private insurance presented with fewer co-morbidities, smaller sized tumors, and shorter time between diagnosis and treatment (p<.001).
CONCLUSIONS
Since patients with private insurance received the most surgery and displayed the highest overall survival, while patients with Medicare displayed the lowest survival, future research should explore ways to alleviate this disparity in surgical resections.
BACKGROUND
The incidence of adenocarcinoma, the most common type of small intestine cancer, is increasing. Prior studies found a 5-year survival of about 25% even with surgical resection and lymph node dissection. A recent study found higher survival in insured versus uninsured patients, yet differential outcomes and treatments between private insurance and Medicare, along with Medicaid and no insurance, are unknown. This study aims to determine differential survival and treatment of patients with small intestine adenocarcinoma based on insurance status.
METHODS
The National Cancer Database was used to identify patients diagnosed with small intestine adenocarcinoma from 2004-2019 using the histology code 8140 as assigned by the Commission on Cancer Accreditation program. Kaplan-Meier, Chi-Square, ANOVA, and Cox Proportional Hazards tests were performed. Data was analyzed using IBM SPSS version 28 and statistical significance was set at α=0.05.
RESULTS
Of the 20,933 patients included, 7,629 (32.4%) had private insurance and 13,075 (55.5%) had Medicare. Patients with private insurance had a longer median survival (28.8 months) than patients with Medicare, Medicaid, and no insurance (p<.001), while patients with Medicare had a shorter median survival (12.2 months) than other insurance statuses (p<.001). No median survival difference existed between those with Medicaid (18.9 months) and no insurance (18.0 months) (p=.882). After controlling for age, co-morbidity score, grade, tumor size, low-income, academic facility, surgery of primary site, palliative care, and days between diagnosis and treatment, private insurance was associated with an independent decrease in hazard (HR=.874; p<.001). Patients with private insurance received more surgery (67.8%) than those with Medicaid (58.6%), no insurance (54.4%), and Medicare (52.9%) (p<.001). Patients with Medicare received more adjuvant radiation, but patients with private insurance received more adjuvant chemoradiation (p<.001). While patients with Medicare presented with greater co-morbidities and age, patients with private insurance presented with fewer co-morbidities, smaller sized tumors, and shorter time between diagnosis and treatment (p<.001).
CONCLUSIONS
Since patients with private insurance received the most surgery and displayed the highest overall survival, while patients with Medicare displayed the lowest survival, future research should explore ways to alleviate this disparity in surgical resections.