Table 1.

Anthropometric growth calculators implemented on PediTools and sources of lambda-mu-sigma parameters.

Chart	Age range	Measures
Fenton 2003 preterm [19,20]	22-50 weeks gestation	Weight, head circumference, and length
Fenton 2013 preterm [21]	22-50 weeks gestation	Weight, head circumference, and length
CDCa infant [22,23]	0-36 months	Weight, head circumference, and length
CDC pediatric [22,23]	24-240 months	Weight, height, and BMI
WHOb infant [24]	0-24 months	Weight, head circumference, and length
Olsen preterm [25]	23-41 weeks gestation	Weight, head circumference, and length
WHO [26]	3-60 months	Arm circumference and triceps and subscapular skinfolds
CDC [27]	2-20 years	triceps and subscapular skinfolds
Olsen preterm BMI [28]	24-41 weeks gestation	BMI
Down syndrome infant [29,30]	0-36 months	Weight, length, and head circumference
Down syndrome pediatric [29,30]	2-20 years	Weight, height, head circumference, and BMI
CDC arm circumference [31]	2-222 months	Arm circumference
Mramba arm circumference [32]	60-228 months	Arm circumference

^aCDC: Centers for Disease Control and Prevention.

^bWHO: World Health Organization.