Target Height Predictor | Child Adult Height | Medical Algorithm

Description

Khamis and Roche developed a method for predicting a child's adult height based on gender, age, height, weight and midparental height. It does not require the child's skeletal age. The authors are from Wright State University in Dayton, Ohio.

Patient selection: White (Caucasian) pediatric patient from 4 to 17.5 years

Parameters:

(1) gender

(2) height in inches

(3) weight in pounds

(4) midparent stature in inches (presumably the average of the mother and father)

predicted height in inches =

= ((age factor) * (age in years)) + ((height factor) * (height in inches)) + ((weight factor) * (weight in pounds)) + ((midparental height factor) * (midparental height in inches)) + (beta coefficient)

NOTE: The data below comes from the corrected tables, which differ from the original data by having 1 fewer zeroes after the decimal point for the weight factor (for example, current -0.087235 was originally -0.0087235). However, using the data from the example on page 507 gives a much lower number than expected prediction for adult height.

White Male

Age of Patient	Factor for Weight	Factor for Height	Factor for Mid-Parent Height	Beta Coefficient
4.0	-0.087235	1.23812	0.50286	-10.2567
4.5	-0.074454	1.15964	0.52887	-10.7190
5.0	-0.064778	1.10674	0.53919	-11.0213
5.5	-0.057760	1.07480	0.53691	-11.1556
6.0	-0.052947	1.05923	0.52513	-11.1138
6.5	-0.049892	1.05542	0.50692	-11.0221
7.0	-0.048144	1.05877	0.48538	-10.9984
7.5	-0.047256	1.06467	0.46361	-11.0214
8.0	-0.046778	1.06853	0.44469	-11.0696
8.5	-0.046261	1.06572	0.43171	-11.1220
9.0	-0.045254	1.05166	0.42776	-11.1571
9.5	-0.043311	1.02174	0.43593	-11.1405
10.0	-0.039981	0.97135	0.45932	-11.0380
10.5	-0.034814	0.89589	0.50101	-10.8286
11.0	-0.029050	0.81239	0.54781	-10.4917
11.5	-0.024167	0.74134	0.58409	-10.0065
12.0	-0.020076	0.68325	0.60927	-9.3522
12.5	-0.016681	0.63869	0.62279	-8.6055
13.0	-0.013895	0.60818	0.62407	-7.8632
13.5	-0.011624	0.59228	0.61253	-7.1348
14.0	-0.009776	0.59151	0.58762	-6.4299
14.5	-0.008261	0.60643	0.54875	-5.7578
15.0	-0.006988	0.63757	0.49536	-5.1282
15.5	-0.005863	0.68548	0.42687	-4.5092
16.0	-0.004795	0.75069	0.34271	-3.9292
16.5	-0.003695	0.83375	0.24231	-3.4873
17.0	-0.002470	0.93520	0.12510	-3.2830
17.5	-0.001027	1.05558	-0.00950	-3.4156

White Female

Age of Patient	Factor for Weight	Factor for Height	Factor for Mid-Parent Height	Beta Coefficient
4.0	-0.19435	1.24768	0.44774	-8.13250
4.5	-0.18519	1.22177	0.41381	-6.47656
5.0	-0.17530	1.19932	0.38467	-5.13583
5.5	-0.16484	1.17880	0.36039	-4.13791
6.0	-0.15400	1.15866	0.34105	-3.51039
6.5	-0.14294	1.13737	0.32672	-3.14322
7.0	-0.13184	1.11342	0.31748	-2.87645
7.5	-0.12086	1.08525	0.31340	-2.66291
8.0	-0.11019	1.05135	0.31457	-2.45559
8.5	-0.09999	1.01018	0.32105	-2.20728
9.0	-0.09044	0.96020	0.33291	-1.87098
9.5	-0.08171	0.89989	0.35025	-1.06330
10.0	-0.07397	0.82771	0.37312	0.33468
10.5	-0.06739	0.74213	0.40161	1.97366
11.0	-0.06136	0.67173	0.42042	3.50436
11.5	-0.05518	0.64150	0.41686	4.57747
12.0	-0.04894	0.64452	0.39490	4.84365
12.5	-0.04272	0.67386	0.35850	4.27869
13.0	-0.03661	0.72260	0.31163	3.21417
13.5	-0.03067	0.78383	0.25826	1.83456
14.0	-0.02500	0.85062	0.20235	0.32425
14.5	-0.01967	0.91605	0.14787	-1.13224
15.0	-0.01477	0.97319	0.09880	-2.35055
15.5	-0.01037	1.01514	0.05909	-3.10326
16.0	-0.00655	1.03496	0.03272	-3.17885
16.5	-0.00340	1.02573	0.02364	-2.41657
17.0	-0.00100	0.98054	0.03584	-0.65579
17.5	0.00057	0.89246	0.07327	2.26429

where:

• Estimates for children under 4 years of age tend to be inaccurate (page 506).

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Description

Objective

ICD-10

Target Height Predictor for Child's Adult Height

Purpose: To predict a child's adult height using the Khamis-Roche method.

Description

Objective

ICD-10