The aim of this study was to verify and compare handgrip strength (HS) with activities of the daily living (ADL) and to identify the cutoff point of HGS in the prediction of independence in ADL of centenarians. Twenty-four centenarians with mean age of 101.67 ± 2.80 years participated in the study. Subjects were asked about marital status, schooling (years), diseases, hearing difficulties and activities of the daily living (Katz scale), to classify functional independence. Handgrip strength of the right hand (HSR) and left hand (HSL) (mean of the three measures of each hand) was evaluated by means of manual dynamometer. The U Mann Whitney test was applied to compare HSR and HSL with functions of ADL. To identify the cutoff point (sensitivity and specificity) of the right and left HGS of centenarians in the prediction of independence in functions of ADL, the Received Operating Characteristic (ROC) Curves were used. The following cutoff points were used: 11 Kgf for HSR (sensitivity = 66.7%, specificity = 100%, ROC curve = 0.778) and 9 Kgf for HSL (sensitivity = 66.7%, specificity = 77.8%, curve ROC = 0.730) to predict independence in performing the "bathing" function; 11 Kgf for HSR for the "continence" function (sensitivity = 83.3%, specificity = 66.7%, ROC curve = 0.712); and 9 Kgf for HSL for "transfer" function (sensitivity = 80%, specificity = 71.4%, ROC curve = 0.786). For these functions, sensitivity and specificity presented values greater than 66%. On all these functions, sensitivity showed values higher than 46% and specificity 77%. Minimum HSR is required to perform functions of ADL independently. The best HSR cutoff point to predict independence of subjects differs according to functions of activities of the daily living and hand evaluated.
OBJETIVO: Analisar a qualidade de vida e a atividade física de centenários residentes na mesorregião Grande Florianópolis, Santa Catarina, Brasil.MÉTODOS: O estudo foi composto por seis centenários com função cognitiva preservada, sendo quatro mulheres (média de 101,3 anos) e dois homens (média de 101 anos), residentes na mesorregião Grande Florianópolis, Santa Catarina, Brasil. O instrumento de coleta de dados foi o Protocolo de Avaliação Multidimensional do Idoso Centenário, elaborado pelo Laboratório de Gerontologia (LAGER) da Universidade do Estado de Santa Catarina (UDESC), construído para o estudo SC100: estudo multidimensional dos centenários de Santa Catarina. Deste protocolo foram utilizadas as questões referentes à identificação do idoso e às características sociodemográficas, o rastreio cognitivo (miniexame do estado mental), a avaliação da qualidade de vida (EUROHIS-QOL-08) e a atividade física em média semanal do número de passos/dia (pedômetro).RESULTADOS: A maioria dos centenários apresentou uma qualidade de vida satisfatória, com escore acima de 80 pontos e variação de 304 a 3.691 passos/dia com média semanal de 1.609,5 passos/dia, sendo a média das mulheres 899 passos/dia e a dos homens 3030 passos/dia.CONCLUSÕES: Mesmo com a maioria dos centenários apresentando elevada percepção QV, constatou-se que o nível atividade física e a média do número de passo/dia auferidos foram inferiores ao recomendado para idosos saudáveis longevos. A percepção mais positiva de QV foi a relacionada ao ambiente e a mais negativa com a saúde relatada.
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