The aim of the present study was to evaluate the Mini Nutritional Assessment (MNA), the Nutritional Risk Screening (NRS) 2002 and the American Society of Anesthesiologists Physical Status Score (ASA) as predictors of gait status and mortality 6 months after hip fracture. A total of eighty-eight consecutive patients over the age of 65 years with hip fracture admitted to an orthopaedic unit were prospectively evaluated. Within the first 72 h of admission, each patient's characteristics were recorded, and the MNA, the NRS 2002 and the ASA were performed. Gait status and mortality were evaluated 6 months after hip fracture. Of the total patients, two were excluded because of pathological fractures. The remaining eighty-six patients (aged 80·2 (SD 7·3) years) were studied. Among these patients 76·7 % were female, 69·8 % walked with or without support and 12·8 % died 6 months after the fracture. In a multivariate analysis, only the MNA was associated with gait status 6 months after hip fracture (OR 0·773, 95 % CI 0·663, 0·901; P¼ 0·001). In the Cox regression model, only the MNA was associated with mortality 6 months after hip fracture (hazard ratio 0·869, 95 % CI 0·757, 0·998; P¼ 0·04). In conclusion, the MNA best predicts gait status and mortality 6 months after hip fracture. These results suggest that the MNA should be included in the clinical stratification of patients with hip fracture to identify and treat malnutrition in order to improve the outcomes.

RESUMO Objetivou-se com este trabalho avaliar a germinação e a biometria de mudas de açaizeiro em substratos com diferentes proporções de caule decomposto de babaçu (CDB). Em delineamento inteiramente casualizado foram testados os tratamentos: S1= 100% de solo; S2= 80% de solo e 20% de CDB; S3= 60% de solo e 40% de CDB; S4= 40% de solo e 60% de CDB; S5= 20% de solo e 80% de CDB; S6= 100% de CDB; com 4 repetições e 4 plantas por parcela. Foram avaliados: o percentual de germinação (G%); tempo médio de germinação (TMG); número de folhas (NF); altura da planta (AP); e diâmetro do caule (DC). Os dados obtidos foram submetidos à análise de variância pelo teste "F" para diagnóstico de efeito significativo, e os tratamentos comparados entre si pelo teste de Tukey a 5% de significância através do programa computacional Assistat ®. Os tratamentos testados não apresentaram diferença significativa para as variáveis estudadas. Entretanto, conclui-se que os substratos a base de caule decomposto de babaçu proporcionam boas condições ao desenvolvimento das mudas. PALAVRAS-CHAVE: Euterpe oleracea Mart., germinação, parâmetro biométricos, resíduos orgânicos.

Voltage sags and power interruptions are important power quality problems that affect sensitive customers, mainly because they cause annual massive economical losses to the industrial sector as a result of unexpected production process disruptions. In this sense, to propose corrective and preventive measures and improve the power quality of distribution systems, stochastic methodologies have been proposed in the literature to estimate annual voltage sags and power interruptions. However, these methodologies generally use typical cumulative distribution functions of voltage sag duration (PSgD), which can not reflect the real estate of the network under study. To solve this constraint, this paper proposes a novel methodology to estimate a proper PSgD considering the information of the distribution network (i.e., topology and coordination schemes of the protection system) and the stochastic behaviors of short-circuits that can affect the distribution system. Moreover, the proposed methodology allows estimating permanent failure rates and average repair time considering known or expected values of reliability indicators. The results show that the proposed methodology is capable to adapt from an initial PSgD curve to another one with fidelity to achieve real values of expected annual power interruptions.

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