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a Pearson correlation representing the association between advancing age and functional disability. The severity of functional disability was positively correlated with advancing age (r = 0.24, 95% CI 0.00–0.46, P = 0.0476). b Comparative analysis of functional disability with box plots representing patients aged <65 and ≥65 years. Patients >65 years were found to have greater functional disability and higher mean score (33.93 ± 18.04) when compared to patients <65 years (18.11 ± 22.67)
