Pi birth weight x 100 crown heal length3 a ponderal index below the 10th percentile may be used to identify iugr infants correctly. Also known as corpulence index, is a measure of body weight in relation to the body size, similar to the body mass index. Ponderal indices definition of ponderal indices by. Birth weight, body mass index, growth, pigs, ponderal index, weaning weight background slow growing pigs are more at risk to be delayed in allinallout systems, resulting in remixing, increasing the potential for disease transmission, but most importantly contributing to. When kappa statistic was applied it showed almost perfect agreement with canscore and substantial agreement with ponderal index and mac and hc ratio. The current study aimed to evaluate the distribution of the tri ponderal mass index tmi according to sex and age and the relationship of obesity groups according to sex and agespecific tmi. Ponderate definition of ponderate by the free dictionary. Material and methods this study included 3187 newborns who were born at or after 37 weeks of gestation at american hospital, istanbul, turkey. We aimed to compare the accuracy of the ponderal index pi vs. A more accurate leanness index would simply be based on a.
The ponderal index is better because it doesnt discriminate against taller people, but it still ignores the makeup of a person so it is still inaccurate to call it the leanness of a person. Hopefully we will be offered further studies on ponderal index versus fetal growth retardation, symmetrical and asymmetrical, as a parameter for assessment of the condition of the newborn infant and the risk of subsequent physical and. Three hundred and fiftysix 356 babies were differentiated by this classification. Department of paediatrics, dow university of health sciences and civil hospital, karachi. Bmiforage zscores transformed bmiz in estimating body fat levels and classifying obesity in children and adolescents from a. The relationship between triponderal mass index and. Weight, length, ponderal index, and intrauterine growth. Therefore, it is important to define pi of sga infants and we aimed to determine the pi of sga term infants born in our hospital. A total of 480 841 neonates 233 662 females and 247 179 males were included.
The current pattern of gestational agerelated anthropometric parameters of term nigerian neonates. The ponderal index in term newborn siblings american. The current study therefore aimed to determine the pattern of birth weights, lengths, ofcs and ponderal indices pis of term nigerian babies. Ponderable definition of ponderable by the free dictionary.
Certainly, their efforts to encourage the medical community to adopt a standard method for quantifying obesity deserve support. The firstpaperpackage deal is a special service designed to encourage and help phd candidates in the very beginning of their scientific career. Rohrers ponderal index pi is an indication of a persons weight relative to their height, and is used as a proxy measure of adiposity, similar to the body mass index bmi. This measure was lower for infants born to mothers with severe anemia during pregnancy compared to those who were not. The ponderal index is somewhat comparable to body mass index, but gives a more fair comparison between individuals of different stature. The objective of this study was to classify intrauterine growthretarded iugr newborn babies from an urban region in brazil into four different subtypes, according to their weight, length, and ponderal index pi.
It is also known as the corpulence index ci and the rohrers index, as it was first proposed in 1921 as the corpulence measure by swiss physician fritz rohrer. Relationship between various combinations of growth restriction and ponderal index discussion the prevalence of 7. Preeclampsia in this study is defined as increased blood pressure hypertension after 20 weeks gestation with proteinuria. While it can apply to people of any age, it is typically used in pediatrics children and babies to assess the ratio of height to weight of a person. Relationship to small for gestational age neonates, journal of perinatal medicine on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. A morbidly obese person could have identical bmi values to a lean athlete. Preterm delivery is defined as delivery before 37 completed weeks gestation. What is ponderal index also known as corpulence index. The ponderal index 100 weight in glength in cm 3 of each baby at birth was also computed.
The height and body mass of the players qualifying for the first round in all four grand slam tennis tournaments during the period 19822011 was obtained, and successful players defined arbitrarily as those reaching round 3 or beyond. The ponderal index is generally treated, on theoretical grounds, as if it were independent of height. Current pattern of ponderal indices of term smallfor. Ponderal index pi the ponderal index is a measure of body composition using height and weight. Ponderal index is a ratio of a persons height to weight. It is similar to the body mass index, but the mass is normalized with the third power of body height rather. The ponderal index and the machc ratio provide information on the proportionality of body growth. Pdf length weight relationship and ponderal index of. Compared to infants in the control diet, those born to mothers following the dash diet had significantly lower weight 3222. Ponderal index is calculated as weight divided by height raised to the power of 3. Variations in birth weight, length and ponderal index pi depend on the type and degree of intrauterine insults the babies were exposed to. The ponderal index had stronger associations with diabetes than birth weight when compared to the prevalence rate of diabetes mellitus in people who had a low birth weight table 2 18. This index combines an individuals weight and height and results an index value for classifying the body weight as normal or abnormal.
Triponderal mass index vs body mass index in estimating. These data suggest that the fetal ponderal index could be used to rule out the diagnosis of iugr with reasonable accuracy negative predictive value 96. While it can apply to people of any age, it is typically used in pediatrics to assess the ratio of height to weight of a person. We calculated the weekly 5th, 10th, 25th, 50th, 75th, 90th, and 95th ponderal index percentile values. The ponderal index as a measure of the nutritional. The corpulence index ci or ponderal index pi is a measure of leanness corpulence of a person calculated as a relationship between mass and height. Low birth weight, and low ponderal index mediates the association between preeclampsia, placenta previa, and neonatal mortality nawsherwan, abbas khan, nabila begum, zahoor ahmed, sumaira mubarik, ijaz ul haq, ghulam nabi, naeem ullah, cuifang fan, suqing wang. Body mass index bmi and the reciprocal ponderal index rpi were used as our measures of body shape. Ponderal index appears to be a better measure of infants with intrauterine growth problems than birthweight percentiles. Ponderal index is considered as an improvement over bmi body mass index.
Charts and tables of ponderal index values show percentiles for males, females, and for the total group. Current pattern of ponderal indices of term smallforgestational age in a population of nigerian babies. Ponderal index corpulence index calculator my tec bits. What is fetal programming a lifetime health is under the. Current pattern of ponderal indices of term smallforgestational age. Ponderal index otherwise called as corpulence index or rohrers index. It was first proposed in 1921 as the corpulence measure by swiss physician fritz rohrer and hence is also known as rohrers index. The ponderal index pi is height divided by cube root of weight. Ponderal index certainly should be calculated for paediatric follow. At birth, the index weightheight is the highest correlated with weight, height and cephalic perimeter, for the index of quetelet bmi the correlatio. This index is a better indicator of obesity than height and weight alone.
Calculate your bmi metric bmi calculator for adults men. Moreover, the tri ponderal mass index more effectively diagnoses overweight vs normal weight status than the body mass index z scores. Ponderal index can be used to identify infants whose soft tissue mass is below normal for the stage of skeletal development. Value of fetal ponderal index in predicting growth. The ponderal index pi is arrived at by the following formula. Ponderal medical definition merriamwebster medical.
The ponderal index, which is the ratio of an infants length to the cube root of their weight kgm31, describes the weight of the infant in relation to its length at birth. P171 ponderal index in sga neonates archives of disease. Ponderal index corpulence index calculator captain. Ponderal index for discrimination between symmetric and asymmetric growth restriction. One recent retrospective cohort study followed,517 patients born in helsinki, finland, between 1924 and 1944. The fetal ponderal index also was evaluated as a predictor of intrauterine growth retardation iugr and was found to have sensitivity and specificity of 76.
963 1520 202 1096 1376 67 1412 17 1483 603 459 716 856 1111 858 1075 789 805 85 700 1548 205 1376 1310 543 806 1032 1285 1379 407 1041 1510 1138 303 1176 980 601 473 908 1054 268 568 1310 110