Establishing method for juvenile height predication model

A technology for height prediction and establishment method, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of inaccurate adult height and achieve high accuracy.

Inactive Publication Date: 2015-10-07
熊妹珍
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AI Technical Summary

Problems solved by technology

Due to the physical differences between the Asian population and the European and American population, the adult height of Chinese teenagers obtained by using the height prediction formula of Europe and the United States in the past is very inaccurate

Method used

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  • Establishing method for juvenile height predication model

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Experimental program
Comparison scheme
Effect test

Embodiment

[0061] Embodiment: the boy whose date of birth is November 7, 2006, predicts his height at the age of 19 on March 1, 2014.

[0062] According to the predicted date and the date of birth, the boy's life age can be calculated as 7.3 years old (the month has been converted to decimal), the height at the time of prediction is 130.1 cm, and the bone age is 7.5 years old. The height and bone age of the year were brought into the ternary prediction model of male adolescents at the age of 19, namely

[0063] Y 19a =105.3837-3.4976×7.3+0.9044×130.1-2.0317×7.5=182.3,

[0064] A ternary predictive model was used to predict the boy's height at age 19 to be 182.3 cm.

[0065] If the boy's bone age is 6.5 years old (late maturity), the predicted height of the boy at the age of 19 is 184.3 cm. If the boy's bone age is 8.5 (precocious), the predicted height of the boy at the age of 19 is 180.2 cm. It can be seen that the ternary height prediction model of this male adolescent at the age o...

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Abstract

The invention relates to an establishing method for a juvenile height predication model. The establishing method comprises the following steps of: tracking and testing height and bone ages per year of N juveniles from S years old to (S+M-1) years olds for M years, and recording life ages of the juveniles in those years; measuring height, at the age of (S+M) years old, of the N juveniles; constructing a sample set by utilizing the life ages, the height and the bone ages per year of the N juveniles from S years old to (S+M-1) years old; establishing a ternary linear-regression mathematical model by taking the life ages, the height and the bone ages per year of the N juveniles from S years old to (S+M-1) years olds as independent variables and utilizing the height, at the age of (S+M) years old, of the N juveniles as dependent variables; and utilizing a linear-regression analysis tool to obtain a ternary height predication model, at the age of (S+M) years old, of the juveniles through a least square method. The establishing method has the beneficial effects that: the condition that a height predication formula made by utilizing Chinese data is not provided in China for a long term is ended, so that the height predication model which is more suitable for the Chinese is obtained.

Description

technical field [0001] The invention belongs to the field of juvenile height prediction, and in particular relates to a method for establishing a juvenile height prediction model. Background technique [0002] It is of great significance to predict the adult height of adolescents in the childhood stage, which is of great significance in the evaluation of the growth and development of adolescents and in the scientific selection of athletes. At a certain time during the individual growth and development of children, use developmental indicators such as height and bone age to estimate their height at the end of their future growth, which is adult height prediction. The relationship between height, bone age and other developmental indicators and adult height is the basis of height prediction, so the prediction of adolescent height should rely on long-term follow-up research on adolescent developmental indicators. [0003] In the past, my country did not have tracking data on th...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 熊妹珍
Owner 熊妹珍
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