Validation of Advanced Paediatric Life Support Formulas for Weight Calculation in a Multiethnic Population

Table 1

Mean differences in percentage (95% confidence interval) of actual weight for formulas used for weight calculation (NA: not applicable).

Age group			Formula
	APLS 2011^1	ERC^2	Luscombe^3	Argall^4	Best Guess^5
1–11 months (𝑛=184)	3.9 (−1.8 to 9.7)	NA	NA	NA	−3.4 (−9.2 to 2.0)
1–5 years (𝑛=275)	9.4 (5.3 to 13.4)	9.4 (5.3 to 13.4)	0.5 (−5.2 to 4.2)	6.6 (1.8 to 11.3)	−4.7 (−8.8 to −0.68)
6–10 years (𝑛=102)	0.42; (−7.1 to 7.2)	21.8 (15.5 to 29.6)	0.12 (−7.1 to 7.2)	3.5 (−3.7 to 10.7)	−1.8 (−8.6 to 5.9)
11-12 years (𝑛=38)	8.0 (−1.2 to 17.1)	NA	NA	NA	−2.1 (−11.4 to 7.2)

¹1–11 months: (0.5x age in months) + 4; 1–5 years: (2x age in years) + 8; 6–12 years: (3x age in years) + 7 ²(age in years +4) x2; ³(3x age in years) + 7; ⁴(3x age in years) + 6; ⁵1–11 months: (0.5x age in months) + 4.5; 1–5 years: 2x (age in years + 5); 6–14 years: 4x age in years.