The Impact of Age in the Treatment of Non-comorbid Patients with Rectal Cancer: Survival Outcomes from the National Cancer Database

被引:2
作者
Erdem, Suna [1 ,5 ,6 ]
Warschkow, Rene [2 ]
Studer, Peter [3 ]
Tsai, Catherine [1 ]
Nussbaum, Daniel [4 ]
Schmied, Bruno M. [2 ]
Blazer, Dan [4 ]
Worni, Mathias [3 ,4 ,5 ,6 ,7 ]
机构
[1] Univ Calif San Diego, La Jolla, CA USA
[2] Kantonsspital St Gallen, Dept Surg, CH-9007 St Gallen, Switzerland
[3] Hirslanden Clin Beau Site, Dept Surg, Bern, Switzerland
[4] Duke Univ, Dept Surg, Durham, NC 27707 USA
[5] Univ Ctr Gastrointestinal & Liver Dis, St Clara Hosp, Clarunis, Dept Visceral Surg, Basel, Switzerland
[6] Univ Hosp Basel, Basel, Switzerland
[7] Stiftung Lindenhof, Swiss Inst Translat & Entrepreneurial Med, Campus SLB, Bern, Switzerland
关键词
AVOIDING RADICAL SURGERY; ELDERLY-PATIENTS; COLORECTAL-CANCER; OLDER PATIENTS; ADJUVANT THERAPY; CHEMORADIOTHERAPY; EPIDEMIOLOGY; CAPECITABINE; CHEMOTHERAPY; EXCISION;
D O I
10.1007/s00268-023-07008-2
中图分类号
R61 [外科手术学];
学科分类号
摘要
BackgroundMultimodal therapy has improved survival outcomes for rectal cancer (RC) significantly with an exemption for older patients. We sought to assess whether older non-comorbid patients receive substandard oncological treatment for localized RC referring to the National Comprehensive Cancer Network (NCCN) guidelines and whether it affects survival outcomes.MethodsThis is a retrospective study using patient data from the National Cancer Data Base (NCDB) for histologically confirmed RC from 2002 to 2014. Non-comorbid patients between >= 50 and <= 85 years and defined treatment for localized RC were included and assigned to a younger (<75 years) and an older group (>= 75 years). Treatment approaches and their impact on relative survival (RS) were analyzed using loess regression models and compared between both groups. Furthermore, mediation analysis was performed to measure the independent relative effect on age and other variables on RS. Data were assessed using the Strengthening the Reporting of Observational studies in Epidemiology (STROBE) checklist.ResultsOf 59,769 included patients, 48,389 (81.0%) were assigned to the younger group (<75 years). Oncologic resection was performed in 79.6% of the younger patients compared to 67.2% of the older patients (p < 0.001). Chemotherapy (74.3% vs. 56.1%) and radiotherapy (72.0% vs. 58.1%) were provided less often in older patients, respectively (p < 0.001). Increasing age was associated with enhanced 30- and 90-day mortality with 0.6% and 1.1% in the younger and 2.0% and 4.1% in the elderly group (p < 0.001) and worse RS rates [multivariable adjusted HR: 1.93 (95% CI 1.87-2.00), p < 0.001]. Adherence to standard oncological therapy resulted in a significant increase in 5-year RS (multivariable adjusted HR: 0.80 (95% CI 0.74-0.86), p < 0.001). Mediation analysis revealed that RS was mainly affected by age itself (84%) rather than the choice of therapy.ConclusionsThe likelihood to receive substandard oncological therapy increases in the older population and negatively affects RS. Since age itself has a major impact on RS, better patient selection should be performed to identify those that are potentially eligible for standard oncological care regardless of their age.
引用
收藏
页码:2023 / 2038
页数:16
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