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Does trail making test predict long-term prognosis in older patients with COPD?

Alessia FumagalliClementina MisuracaSonia RivaLuca SoraciPaolo FabbiettiMirko Di RosaAndrea CorsonelloFabrizia LattanzioDaniele Colombo
Published in: Aging clinical and experimental research (2020)
Executive abilities are frequently impaired in patients with chronic obstructive pulmonary disease (COPD). We aimed at investigating the association between trail making test (TMT) and survival. Our series consisted of 68 stable COPD outpatients followed-up every 6 months for 52.6 ± 27.6 months. Enrolled patients underwent a baseline comprehensive neuropsychological assessment, including mini-mental state exam, attentional matrices, digit span, Rey auditory verbal learning, Rey-Osterrieth complex figure, copy drawing, tokens test, verbal fluency, category fluency, frontal assessment battery, Raven's progressive matrices, TMT-A, -B and -B-A. The association between neuropsychological deficits and overall mortality was investigated by Cox regression. During follow-up period, 41 patients (60.3%) died. After adjusting for potential confounders, TMT-B was significantly associated with mortality (HR = 2.42, 95% CI = 1.10-5.31), along with age (HR = 1.06, 95% CI = 1.0-1.13), overall comorbidity (HR = 1.29, 95% CI = 1.02-1.62) and use of noninvasive ventilation (HR = 2.16, 95% CI = 1.05-4.45). Defective TMT-B may be associated with long-term mortality in patients with stable COPD.
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