| Sumario: | Aim This study aimed to explore the prevalence of these overlapping premorbid geriatric conditions and examine the association between the number of these conditions and the risk of mortality and major cardiovascular events within 1 year after acute stroke. Methods In this single-centre prospective cohort study, consecutive stroke patients admitted between November 2020 and September 2024 were enrolled. Premorbid frailty was assessed using the 33-item Rockwood Frailty Index. Multimorbidity was defined as the presence of two or more chronic comorbidities other than stroke. Malnutrition was diagnosed according to the Global Leadership Initiative on Malnutrition criteria. Patients were categorised according to the number of overlapping conditions (NOCs), ranging from 0 to 3. The primary outcome was a composite of all-cause mortality and major adverse cardiovascular events within 1 year after admission. Cox proportional hazards regression models adjusted for potential confounders were used to estimate adjusted hazard ratios. Results Among 781 patients (mean age 77.9 ± 12.6 years; 390 [49.9%] female), 226 patients (28.9%) were NOC 0, 289 (37.0%) were NOC 1, 161 (20.6%) were NOC 2 and 105 (13.4%) were NOC 3. Compared with NOC 0, the adjusted hazard ratios for the composite outcome were 1.52 (95% CI 0.86–2.68) for NOC 1, 2.64 (95% CI 1.44–4.85) for NOC 2 and 5.20 (95% CI 2.77–9.73) for NOC 3. Conclusions One-third of patients with acute stroke had overlapping premorbid geriatric conditions. The NOCs was significantly associated with a composite event in a dose–response manner.
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