Significance of age and comorbidity on treatment modality, treatment adherence, and prognosis in elderly ovarian cancer patients |
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Authors: | Trine Lembrecht Jø rgensen,Sandra TeiblumMerete Paludan,Laurids Ø stergaard PoulsenAnni Young Stensgå rd Jø rgensen,Karin Herskind BruunJesper Hallas,Jø rn Herrstedt |
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Affiliation: | a Department of Oncology, Odense University Hospital, Odense, Denmarkb Department of Oncology, Herlev Hospital, Copenhagen, Denmarkc Department of Oncology, Aarhus University Hospital, Aarhus, Denmarkd Department of Oncology, Aalborg University Hospital, Denmarke Department of Oncology, Næstved Hospital, Næstved, Denmarkf Department of Oncology, Copenhagen University Hospital, Denmarkg Institute of Public Health, IPH, Research Unit of Clinical Pharmacology, University of Southern Denmark, Odense, Denmark |
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Abstract: | BackgroundAge is associated with poor prognosis in ovarian cancer patients. Reasons could be increased comorbidity, more advanced stage, or nonoptimal surgery or chemotherapy. Objectives of this study were to evaluate the significance of comorbidity and age ≥ 70 years on receiving cytoreductive surgery, standard combination chemotherapy (TC), adherence to TC treatment, and prognosis.MethodsA retrospective cohort study of all women registered in a nation-wide database with ovarian or peritoneal cancer in 2005-2006. Logistic regression was employed for determining the predictive value of age and comorbidity (ASA score) on receiving cytoreductive surgery and TC, and on adhering to TC. Kaplan-Meier method and Cox proportional hazards analysis were employed for survival analyses.ResultsOf 961 patients, 348 (36.2%) were elderly. Age ≥ 70 years was independently predictive of not receiving surgery, OR 0.2(95% CI 0.1-0.5) and TC treatment, OR 0.03 (95% CI 0.01-0.1). Comorbidity was also independently predictive of not receiving standard treatment: OR for receiving surgery with ASA score of ≥ 3 was 0.2 (95% CI 0.1-0.5), and for receiving TC it was 0.03 (95% CI 0.01-0.1). Overall, age ≥ 70 was a poor prognostic factor in OS and PFS, but the effect of age ceased after 16 months. Comorbidity was a poor prognostic factor throughout the study period but with time-varying effect. For patients treated with TC, age was not a prognostic factor, whereas ASA score ≥ 3 was.ConclusionElderly patients and patients with comorbidity less often receive optimal surgical and medical treatment. For those receiving optimal treatment, age ≥ 70 is not an independent poor prognostic factor, whereas severe comorbidity is. |
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Keywords: | Ovarian cancer Aged Elderly Comorbidity Chemotherapy Survival |
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