RESUMO
OBJECTIVE: To assess the decision-making process in fit and frail older breast cancer patients. METHODS: Breast cancer patients aged ≥70 years who completed the G8 frailty screening tool (G8) were included in this retrospective study. Socio-demographic and clinical characteristics were collected, as well as information from geriatric assessment (GA). Treatment decisions were compared with national guidelines. RESULTS: Of 177 patients, 85 patients were considered fit by the G8 (G8-fit) and 92 patients frail (G8-frail). All G8-fit and 53 G8-frail were proposed for surgery. GA was performed in 34 patients (9 G8-fit; 25 G8-frail) of whom 16 (2 G8-fit;14 G8-frail) were considered frail (GA-frail). 28 out of these 34 patients were considered fit for surgery (including 11 GA-frail); their impairments were unlikely to interfere with surgery or life expectancy. Reasons for adjusting treatment were physical/cognitive condition and patient preference. Ultimately, 123 patients underwent surgery in accordance with guidelines (81 G8-fit;42 G8-frail, p < 0.001). Survival was reduced in G8-frail compared to G8-fit (p = 0.001), but G8 lost its association with mortality in multivariable survival analysis. Among patients undergoing surgery, no difference in mortality was seen between G8-fit and G8-frail (p = 0.996). CONCLUSION: The G8 is associated with treatment decisions and did not affect survival in patients undergoing surgery. In the decision-making process, the G8 may help and estimates the need for adaptive care.