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Age as a prognostic factor for recurrence in patients with endometrial carcinoma
A J Mundt1, S Waggoner, D Yamada
1Department of Radiation and Cellular Oncology, University of Chicago Hospitals, Chicago, Illinois 60637, USA. mundt@rover.uchicago.edu
Purpose:
The aim of this study was to evaluate age as a prognostic factor for recurrence in endometrial cancer patients treated with primary surgery.
Methods:
Between 1983 and 1998, 455 endometrial cancer patients underwent primary surgery at our institution. Patients were divided into three age groups based on age at diagnosis: Group A (age <60, n = 156), B (age 60-69, n = 147), and C (age >/=70, n = 152). Clinicopathologic, treatment factors, and outcome were compared among the three groups. Prognostic factors were evaluated by univariate and multivariate analysis.
Results:
The three age groups had a similar distribution of most pathologic features including stage, histology, cervical involvement, positive cytology, adnexal involvement, nodal metastases, serosal involvement, and lymphovascular invasion (LVI). Older women had a higher rate, however, of deep (>1/2) myometrial invasion (P < 0.0001) and grade 3 tumors (P < 0.0001). The extent of surgical staging and use of adjuvant radiation therapy were similar. Five-year disease-free survivals (DFS) of Groups A, B, and C were 74.3, 70.2, and 60.3%, respectively (P = 0.08). A significant difference in DFS was seen when Groups A and B were combined and compared with Group C (72.0 vs 60.3%, P = 0.03). Multivariate analysis confirmed the significance of race, stage, grade, and LVI. Age was not found to be associated with recurrence (HR 1.1, 95% C.I. 0.91-1.5, P = 0.21).
Conclusion:
Our results reveal that, in a large cohort of comparably staged and treated endometrial carcinoma patients, age is not a prognostic factor for recurrence.