BACKGROUND Although aerobic fitness has been well studied, establishing developmental patterns from previous studies has some limitations including selection bias and the statistical modeling of growth-related data. PURPOSE The purpose of this study was to develop age-, gender-, and race-specific smoothed percentiles for aerobic fitness using the LMS (L=skewness, M=median, and S=coefficient o...

Growth charts such as those published by the National Center for Health Statistics (NCHS) consist of a set of smoothed percentile curves showing the distribution of different aspects of body size for infants, children, and adolescents. The original NCHS growth charts are currently being revised to incorporate additional national data, to include growth curves for body mass index (BMI, in kg/m2)...

The heavier alkali-metal monosulfides (KS, RbS, CsS, and FrS) have been studied by high-level ab initio calculations. The RCCSD(T) method has been employed, combined with large flexible valence basis sets. All-electron basis sets are used for potassium and sulfur, with effective core potentials being used for the other metals, describing the core electrons. Potential-energy curves are calculate...

The 95-percentile method is used widely for billing ISPs and websites. In this work, we characterize important aspects of the 95-percentile method using a large set of traffic traces. We first study how the 95-percentile depends on the aggregation window size. We observe that the computed value often follows a noisy decreasing trend along a convex curve as the window size increases. We provide ...

The aim of this study was to assess birth weight of healthy newborns from the City of Zagreb and Zagreb County, Croatia. Birth weights of healthy newborns, born at the Department of Obstetrics and Gynecology, University Hospital Center "Zagreb" in the year 2001, were included into analysis. Since there were only few newborns in the 22nd-27th week of gestation, they were excluded from the study....

OBJECTIVE To develop and validate heart and respiratory rate percentile curves for hospitalized children and compare their vital sign distributions to textbook reference ranges and pediatric early warning score (EWS) parameters. METHODS For this cross-sectional study, we used 6 months of nurse-documented heart and respiratory rates from the electronic records of 14,014 children on general med...

OBJECTIVE To describe the nutritional assessment of children with cerebral palsy, verifying the correlation of growth curves specific for cerebral palsy with general curves, in addition to assessing the presence of digestive manifestations associated with nutritional problems. METHODS This was a cross-sectional study of 187 individuals with cerebral palsy, evaluating anthropometric data in cu...

OBJECTIVE To prepare percentile curves for measurements of palpebral fissure and the greatest width of the vermilion border of the upper lip in newborns at a public maternity ward in the City of São Paulo. METHODS A descriptive cross-sectional study was carried out from August 2006 to January 2008. In the first 24 to 72 hours of life, the palpebral fissure and the greatest width of the vermil...

We measured pressure-volume curves in nine excised dog ventricles and stress-strain curves in two to five muscle specimens from each ventricle to verify a derived formula that relates muscle stiffness to the ventricular pressure-volume curve. The assumptions underlying this formula are: (1) the ventricle is a uniform spherical shell, (2) all muscle fibers carry average stress and deform as if t...