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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: J Pediatr Gastroenterol Nutr. 2020 Jun;70(6):e129–e135. doi: 10.1097/MPG.0000000000002666

Table 2:

Body Fat Percentage, Fat Mass, and Appendicular Lean Mass Measurements

SF4 BIA
n=72
MF8 BIA
n=78
DXA
n=78
Difference SF4 – DXA
n=72
Difference MF8 - DXA
n=78
Body Fat Percentage (%) 40.6 ± 4.5
[27.2–49.6]
45.4 ± 6.3
[31.1–56.7]
46.4 ± 5.2
[32.9–58.4]
−5.5 ± 2.9*
[−15.2–0.6]
−1.1 ± 2.8*
[−8.7–5.1]
Fat mass (kg) 40.5 ± 11.6
[20.2–76.5]
46.0 ± 16.5
[16.8–97.1]
47.3 ± 16.2
[19.4–100.9]
−5.7 ± 2.9*
[−12.8–0.1]
−1.3 ± 2.5*
[−7.7–4.8]
Upper extremities (kg) -- 6.2 ± 1.9
[2.3–11.2]
5.2 ± 1.5
[2.1–9.3]
-- 1.0 ± 0.6*
[−0.2–3.1]
Lower extremities (kg) -- 16.0 ± 4.2
[6.9–29.6]
17.3 ± 4.6
[6.5–29.6]
-- −1.4 ± 1.5*
[−5.9–1.7]
Appendicular lean (kg) -- 22.2 ± 6.0
[9.2–40.4]
22.5 ± 6.0
[8.6–38.1]
-- −0.3 ± 1.4*
[−4.7–3.1]

Mean ± SD [range],

*

p<0.05