# Corpulence index

**Ponderal Index**

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.wikipedia

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### Body mass index

**BMIbody mass index (BMI)body-mass index**

It was first proposed in 1921 as the "Corpulence measure" by Swiss physician Fritz Rohrer and hence is also known as Rohrer's Index. It is similar to the body mass index, but the mass is normalized with the third power of body height rather than the second power. CI has been shown to have higher sensitivity, specificity, as well as both positive and negative predictive values than body mass index.

In comparison, the Ponderal index is based on the natural scaling of mass with the third power of the height.

### Waist-to-height ratio

**waist-to-height ratio WHtR**

Waist-to-height ratio

Ponderal index

### Dimensional analysis

**dimensionsdimensiondimensionally equivalent**

with mass in kilograms and height in meters, giving a measure with the same dimensions as density.

### Density

**densedensitiesmass density**

with mass in kilograms and height in meters, giving a measure with the same dimensions as density.

### Pediatrics

**pediatricianpediatricpaediatrician**

Because of this property, it is most commonly used in pediatrics.

### Anthropometric measurement of the developing fetus

**crown-heel length**

(For a baby, one can take crown-heel length for the height.

### International System of Units

**SISI unitsSI unit**

The corpulence index is variously defined (the first definition should be preferred due to the use of SI-units kg and m) as follows:

### Intrauterine growth restriction

**intrauterine growth retardationGrowth restrictionfetal growth restriction**

It plays a role in assessing whether the intrauterine growth restriction of a child is symmetrical or asymmetrical.

### Positive and negative predictive values

**positive predictive valuenegative predictive valuepositive**

CI has been shown to have higher sensitivity, specificity, as well as both positive and negative predictive values than body mass index.

### Body adiposity index

**adiposity index**

Body adiposity index

### PI

Ponderal index, a measure of leanness of a person (similar to body mass index)

### Placental insufficiency

**uteroplacental insufficiency**

### Somatotype and constitutional psychology

**somatotypesomatotypesectomorph**

Ectomorphy : Calculate the subjects Ponderal Index:

### Classification of obesity

**Body Volume Indexbody mass indexBVI**

Corpulence index

### Medical underwriting

**Healthload the premium or deny coverage prior to contractunderwritten**

Rohrer's index