Table 4 Subgroup data for each weight estimation system
System | Subgroup | Mean percentage error | Lower limit of agreement | Upper limit of agreement | Number of children (number of studies) | PW10 | Number of children (number of studies) | ||
|---|---|---|---|---|---|---|---|---|---|
APLS formula (new) | Age < 1 | FE RE | 19.4 8.2 | −30.7 −54.5 | 69.4 70.8 | 5388 (2) | 23.5 30.2 | 5700 (4) | |
Age 1–5 | FE RE | −6.0 −8.2 | −45.2 −53.6 | 33.3 37.2 | 4438 (3) | 37.3 35.0 | 8941 (5) | ||
Age 6–12 | FE RE | 7.3 3.8 | −50.7 −56.2 | 65.2 63.8 | 2462 (3) | 23.3 29.9 | 26,338 (5) | ||
ARC formula | Age 1–5 | FE RE | −10.1 −9.8 | −39.4 −39.0 | 19.2 19.4 | 1415 (2) | 43.4 44.2 | 1415 (2) | |
Age 6–10 | FE RE | −12.4 −12.5 | −53.4 −53.5 | 28.5 28.6 | 1405 (2) | 33.2 33.3 | 1405 (2) | ||
Argall formula | Age 1–5 | FE RE | 3.8 | −30.1 | 37.7 | 609 (1) | 34.1 30.2 | 884 (2) | |
Age 6–10 | FE RE | 6.8 | −36.9 | 50.5 | 639 (1) | 27.8 25.0 | 741 (2) | ||
Best Guess formula | Age < 1 | FE RE | 2.4 4.1 | −42.8 −43.9 | 47.6 52.1 | 20,846 (5) | 33.7 38.4 | 21,083 (7) | |
Age 1–5 | FE RE | 5.0 5.1 | −24.0 −20.0 | 34.1 30.2 | 46,271 (7) | 48.8 44.1 | 50,774 (9) | ||
Age 6–14 | FE RE | 6.7 9.9 | −32.5 −37.8 | 45.9 57.5 | 67,028 (6) | 32.2 31.4 | 99,475 (9) | ||
Chinese age-weight rule 1 | Age 1–5 | FE RE | −12.2 −9.6 | −51.3 −45.8 | 26.8 26.6 | 1865 (2) | 33.0 35.5 | 1865 (2) | |
Age 6–10 | FE RE | −2.6 −1.5 | −50.1 −47.5 | 44.9 44.5 | 1636 (2) | 32.5 32.1 | 1636 (2) | ||
Chinese age-weight rule 2 | Age 1–5 | FE RE | −1.9 −0.9 | −33.9 −32.7 | 30.0 30.9 | 1865 (2) | 49.1 48.0 | 1865 (2) | |
Age 6–10 | FE RE | −4.9 −3.8 | −52.1 −49.5 | 42.3 41.9 | 1636 (2) | 33.9 33.3 | 1636 (2) | ||
EPLS formula | Age 1–5 | FE RE | −12.7 −9.9 | −43.4 −42.6 | 18.0 22.9 | 91,652 (11) | 37.9 41.5 | 96,077 (12) | |
Age 6–10 | FE RE | −18.3 −19.4 | −61.7 −63.8 | 25.0 24.9 | 101,742 (11) | 29.0 28.1 | 116,988 (12) | ||
Leffler formula | Age < 1 | FE RE | −5.7 8.8 | −46.1 −42.8 | 34.7 60.4 | 20,325 (2) | 36.6 27.7 | 20,325 (2) | |
Age 1–5 | FE RE | 4.2 5.8 | −23.4 −25.4 | 31.8 37.0 | 41,603 (3) | 50.3 43.8 | 41,603 (3) | ||
Age 6–10 | FE RE | −5.0 −11.0 | −39.1 −45.6 | 29.1 23.6 | 64,426 (3) | 42.0 31.9 | 64,426 (3) | ||
Luscombe formula | Age 1–5 | FE RE | −3.3 2.4 | −36.7 −32.5 | 30.1 37.3 | 47,602 (4) | 43.0 37.7 | 52,482 (7) | |
Age 6–10 | FE RE | 1.2 8.5 | −45.3 −35.7 | 47.8 52.6 | 34,663 (4) | 28.3 28.9 | 67,435 (7) | ||
Nelson formula | Age < 1 | FE RE | −8.1 −3.5 | −33.2 −29.2 | 16.9 22.2 | 20,217 (2) | 47.9 51.1 | 20,217 (2) | |
Age 1–5 | FE RE | −9.1 −5.7 | −32.9 −32.1 | 14.7 20.7 | 42,960 (3) | 47.2 51.8 | 42,960 (3) | ||
Age 6–10 | FE RE | −10.6 −9.4 | −41.9 −46.5 | 20.7 27.7 | 64,268 (2) | 38.7 37.2 | 64,268 (2) | ||
Park formula | Age < 1 | 2.3 | −42.8 | 47.4 | 19,854 (1) | 33.5 | 19,854 (1) | ||
Age 1–5 | −2.7 | −28.0 | 22.6 | 40,612 (1) | 55.2 | 40,612 (1) | |||
Age 6–10 | 2.7 | −34.7 | 40.1 | 63,629 (1) | 39.6 | 63,629 (1) | |||
Shann formula | Age 1–5 | FE RE | −2.7 −2.1 | −28.1 −31.0 | 22.7 26.8 | 41,221 (2) | 55.1 53.0 | 41,221 (2) | |
Age 6–10 | FE RE | −12.4 −11.8 | −46.2 −50.5 | 21.4 26.9 | 64,268 (2) | 34.8 35.0 | 64,268 (2) | ||
Theron formula | Age 1–5 | 8.2 | −27.1 | 43.5 | 609 (1) | 36.8 | 609 (1) | ||
Age 6–10 | 30.7 | −12.6 | 74.0 | 639 (1) | 13.5 | 639 (1) | |||
Dual length- and habitus based methods | Devised weight estimating method | <10 kg | FE RE | 4.0 3.7 | −21.9 −21.5 | 29.9 28.9 | 221 (2) | 52.7 52.5 | 221 (2) |
10-25 kg | FE RE | 1.2 1.3 | −17.7 −17.8 | 20.1 20.3 | 232 (2) | 70.2 69.6 | 232 (2) | ||
>25 kg | FE RE | −4.9 −4.4 | −31.9 −30.5 | 22.2 21.7 | 332 (2) | 54.0 53.5 | 431 (2) | ||
PAWPER tape | <10 kg | FE RE | 3.3 2.7 | −13.8 −10.7 | 20.4 16.1 | 765 (4) | 75.6 71.6 | 783 (5) | |
10-25 kg | FE RE | −0.2 0.5 | −13.7 −11.2 | 13.2 12.2 | 1022 (4) | 86.2 85.5 | 1010 (4) | ||
>25 kg | FE RE | −2.4 −0.5 | −21.7 −17.0 | 16.9 16.0 | 996 (4) | 77.1 76.8 | 1070 (5) | ||
Mercy Method | <10 kg | FE RE | −1.3 −3.8 | −25.1 −25.3 | 22.6 17.7 | 103 (2) | 62.9 60.0 | 121 (3) | |
10-25 kg | FE RE | −3.9 −4.4 | −20.4 −20.0 | 12.6 11.2 | 218 (2) | 74.3 73.0 | 296 (3) | ||
>25 kg | FE RE | −4.9 −4.3 | −19.7 −18.2 | 9.9 9.6 | 311 (2) | 71.1 73.4 | 414 (3) | ||
Wozniak method | <10 kg | FE RE | −21.7 −23.7 | −63.7 −62.4 | 20.3 15.0 | 103 (2) | 29.1 23.5 | 103 (2) | |
10-25 kg | FE RE | 0.8 0.8 | −31.9 −31.6 | 33.5 33.1 | 218 (2) | 69.5 68.0 | 218 (2) | ||
>25 kg | FE RE | −1.3 −0.7 | −19.8 −17.6 | 17.2 16.2 | 311 (2) | 78.8 81.3 | 311 (2) | ||
Broselow tape | <10 kg | FE RE | −4.4 −1.2 | −29.3 −19.7 | 20.5 17.4 | 26,327 (13) | 55.2 53.0 | 27,345 (19) | |
10-25 kg | FE RE | −3.8 −1.3 | −22.8 −18.9 | 15.1 16.3 | 51,915 (15) | 66.4 60.7 | 57,102 (19) | ||
>25 kg | FE RE | −5.3 −2.8 | −29.2 −23.9 | 18.6 18.2 | 72,803 (14) | 59.7 49.9 | 97,639 (22) | ||
Other | MAC formula | Age 1–5 | FE RE | 23.1 21.3 | −8.3 −9.0 | 54.4 51.5 | 1618 (2) | 17.2 20.1 | 1618 (2) |
Age 6–10 | FE RE | 0.1 0.0 | −39.8 −37.3 | 40.0 37.4 | 1882 (2) | 55.5 55.4 | 1882 (2) |