ﺑﺎﺯﮔﺸﺖ ﺑﻪ ﺻﻔﺤﻪ ﻗﺒﻠﯽ
خرید پکیج
تعداد آیتم قابل مشاهده باقیمانده : 3 مورد
نسخه الکترونیک
medimedia.ir

Regression equations for calculating fetal weight

Regression equations for calculating fetal weight
Head circumference
Mean –28⋅2849 + 1⋅69267 × GA2 – 0⋅397485 × GA2 × log (GA)
SD 1⋅98735 + 0⋅0136772 × GA3 – 0⋅00726264 × GA3 × log (GA) + 0⋅000976253 × GA3 × log (GA)2
Biparietal diameter
Mean 5⋅60878 + 0⋅158369 × GA2 – 0⋅00256379 × GA3
SD exp (0⋅101242 + 0⋅00150557 × GA3 – 0⋅000771535 × GA3 × log (GA) + 0⋅0000999638 × GA3 × log (GA)2)
Occipitofrontal diameter
Mean –12⋅4097 + 0⋅626342 × GA2 – 0⋅148075 × GA2 × log (GA)
SD exp (–0⋅880034 + 0⋅0631165 × GA2 – 0⋅0317136 × GA2 × log (GA) + 0⋅00408302 × GA2 × log (GA)2)
Abdominal circumference
Mean –81⋅3243 + 11⋅6772 × GA – 0⋅000561865 × GA3
SD –4⋅36302 + 0⋅121445 × GA2 – 0⋅0130256 × GA3 + 0⋅00282143 × GA3 × log (GA)
Femur length
Mean –39⋅9616 + 4⋅32298 × GA – 0⋅0380156 × GA2
SD exp (0⋅605843 – 42⋅0014 × GA–2 + 0⋅00000917972 × GA3)
Equations for the estimation of the mean and SD (in mm) of each fetal biometry measurement according to exact gestational age (in weeks).
All log are natural logarithms.
SD: standard deviation; GA: exact gestational age.
Reproduced from: Papageorghiou AT, Ohuma EO, Altman DG, et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH-21st Project. Lancet 2014; 384:869. Table used with the permission of Elsevier Inc. All rights reserved.
Graphic 107121 Version 1.0

آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟