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Table 2 PBWu + MBW model (unified curve, compromise between PBW Male and PBW Female formulae [19])

From: Predicted body weight relationships for protective ventilation – unisex proposals from pre-term through to adult

Segment #

Height/Length

Relationship

Reference data

Error % relative to reference

1

Centimeters: 2533

PBW = 0.22 + 0.055  (length − 25)

Median data: INTERGROWTH Pre-Term [24]

−8.3 < ϵ < +3.7

length in cm, weight in kg

2

Centimeters: 3345

PBW = 0.66 + 0.116  (length − 33)

Median data: INTERGROWTH Pre-Term [24]

−7.6 < ϵ < +4.5

length in cm, weight in kg

3

Centimeters: 45105

PBW = 2.05 + 0.24  (height − 45)

Median data: INTERGROWTH Pre-Term [24], WHO 45110 cm [21]

−7.6 < ϵ < +4

height in cm, weight in kg

4

Centimeters: 105128

PBW = 16.4 + 0.4  (height − 105)

Median data: WHO 45110 cm & 5-10yo [21], CDC 2-20yo [22]

−0.9 < ϵ < +1.7

height in cm, weight in kg

5

Centimeters: ≥ 128

PBW = 25.5 + 0.91  (height − 128)

PBW Male & Female [19]

cf PBW Male: −4.6 < ϵ < −3.2

height in cm, weight in kg

cf PBW Female: +3.3 < ϵ < +4.9

(cf Population Median: −0.8 < ϵ < +14)

  1. ARDS acute respiratory distress syndrome, CDC Centers for Disease Control, cf compared with, kg kilograms, PBW predicted body weight, WHO World Health Organization