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Proportion of patients with a geriatric event according to cancer site and age-adjusted Charlson score. Age-adjusted Charlson score stratified into low, medium, and high comorbidity terciles. Proportions are derived from the number of patients with at least one geriatric event divided by the number of patients treated surgically. The association between geriatric events and age-adjusted comorbidity was assessed by using χ2 testing. Significance was noted for all sites (P < .001).
