Comorbidity needs to be assessed independently from functional status. Both the Charlson and CIRS-G scales are reliable tools for use in trials of older cancer patients. Both can be tested in further studies as predictors of outcomes such as toxicity of treatment, changes in functional status, or survival.
Screening tools do not replace GA but are recommended in a busy practice in order to identify those patients in need of full GA. If abnormal, screening should be followed by GA and guided multidisciplinary interventions. Several tools are available with different performance for various parameters (including sensitivity for addressing the need for further GA). Further research should focus on the ability of screening tools to build clinical pathways and to predict different outcome parameters.
This project was designed to evaluate the Functional Assessment of Cancer Therapy General Scale (FACT-G) for use in the older patient with cancer. Subjects were administered the MOS Short Form Health Survey (SF-36) and the FACT-G scale. Subscale and total scores were compared using the Pearson product correlation test. FACT-G total and subscores were compared with the mixed aged cancer patient normative group of Cella et al. (1993). Good correlations were found between total and subscores of the SF-36 and the FACT-G in all areas except vitality. The mean total FACT-G score was 82.2 +/- 16.2 SD for the patients with cancer, and 92.3 +/- 11.8 SD for community-dwelling elderly (CDE). The FACT-G was able to discriminate between patients that received cancer care and CDE (p < 0.002). Subjects who scored higher on the FACT-G were found to have higher Eastern Cooperative Oncology Group Performance Status (PS). Subjects with a PS of 0 had a mean total FACT-G score of 87.9 +/- 14.4 SD. Subjects with a PS of 3 had a mean score of 59.0 +/- 23.2 SD. The FACT-G is a valid and reliable instrument for use in the older patient with cancer. The FACT-G is not an age-biased instrument.
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