Significance of age and comorbidity on treatment modality, treatment adherence, and prognosis in elderly ovarian cancer patients

Trine Lembrecht Jørgensen, Sandra Teiblum, Merete Paludan, Laurids Østergaard Poulsen, Anni Young Stensgård Jørgensen, Karin Herskind Bruun, Jesper Hallas, Jørn Herrstedt

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BACKGROUND: Age 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 ≥70years on receiving cytoreductive surgery, standard combination chemotherapy (TC), adherence to TC treatment, and prognosis. METHODS: A 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. RESULTS: Of 961 patients, 348 (36.2%) were elderly. Age ≥70years 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 16months. 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. CONCLUSION: Elderly 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.
Original languageEnglish
JournalGynecologic Oncology
Issue number2
Pages (from-to)367-374
Publication statusPublished - 2012

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