Development Cross-validation Author
Sex
Ethnic group
Age Y
Criterion method
RMSE
CV (%) Equations and predictor variables
Age
PE CV CCC Bias Agreement Limits Trend Houtkooper et al. [65 ] M Cauc 10–14 53 UWW, Deut Dilut1 0.85 3.3% NA %FM = −0.235 * S, cm2 /
+ 0.252 * Abdcirc + 0.281 * (sum: Tric, Abd, Thigh SKF) − 0.044 NA NA NA NA NA NA NA NA NA F 41 Houtkooper et al. [65 ] M Cauc 10–14 53 UWW, Deut Dilut1 0.94 1.9 kg NA FFM (kg) = 0.713 * S, cm2 /
+ 0.15 * (chest circ) + 0.493 * (hip Skeletal width) + 0.121 * Re − 21.41 NA NA NA NA NA NA NA NA NA F 41 Houtkooper et al. [59 ] M and F Cauc 10–14 1572 UWW, Deut Dilut1 0.95 2.1 kg 5.1 FFM (kg) = 0.61 * S, cm2 /
+ 0.25
+ 1.31 25 10.5–14.4 0.95 NA NA NA 1.7 NA NA Goran et al. [51 ] M Cauc 4–9 49 DXA Lunar DPX-L densitometer 0.91 0.94 kg NA FM (kg) = 0.16 * Sub SKF + 0.33
+ 0.11 * Tric SKF − 0.16 * S, cm2 /
− 0.43 * Sex − 2.4 NA NA NA NA NA NA NA NA NA F 49 0.88 1.05 kg NA FM (kg) = 0.18
+ 0.23 * Sub SKF + 0.23 * Tric SKF − 3.0 Ellis [49 ] M Cauc 3–18 145 DXA Hologic QDR 2000 0.57 3.56 kg 31.7 FM (kg) = 0.534
− 1.59 * age + 3.03 NA NA NA NA NA NA NA NA NA Black 78 0.62 4.29 kg 36.1 FM (kg) = 0.594
− 0.381 * S, cm + 36.0 NA NA NA NA NA NA NA NA NA Hispanic 74 0.55 3.71 kg 25.7 FM (kg) = 0.591
− 1.82 * Age + 3.36 NA NA NA NA NA NA NA NA NA Ellis et al. [50 ] F Cauc 3–18 141 DXA Hologic QDR 2000 0.93 1.09 kg 9.7 FM (kg) = 0.642
− 0.12 * S, cm − 0.606 * Age + 8.98 NA NA NA NA NA NA NA NA NA Black 104 0.96 2.44 kg 16.7 FM (kg) = 0.653
− 0.163 * S, cm − 0.298 * Age + 10.7 NA NA NA NA NA NA NA NA NA Hispanic 68 0.95 2.45 kg 15.1 FM (kg) = 0.677
− 0.217 * S, cm + 15.5 NA NA NA NA NA NA NA NA NA
de Lorenzo et al. [57 ] M NA 7.7–13 20 DXA Lunar DPX 0.96 1.0 kg NA FFM = 2.330 + 0.588 * S, cm2 /
+ 0.211
NA NA NA NA NA NA NA NA NA F 15 densitometer Dezenberg et al. [48 ] M and F Cauc and Black 4–10.9 135 DXA Lunar DPX-L 0.95 0.5 kg NA FM (kg) = 0.332
+ 0.263 * Tric SKF + 0.76 * Sex + 0.704 * Ethnicity − 8.004 67 4–10.9 0.92 NA NA NA −0.11 0.1–(−0.3) 0.19 Morrison et al. [58 ] F Cauc 6–17 65 Hologic QDR-1000/W 0.99 1.14 kg 3.6 FFM (kg) = 1.07 + 0.37 * S, cm2 /
0.17 * Tric SKF + 0.47
20 9.3 ± 0.6 NA 1.5 6 NA NA NA NA Black 61 0.99 1.95 kg 4.7 FFM (kg) = −8.78 + 0.78 * S, cm2 /
+ 0.10 * Rc + 0.18
20 9.2 ± 0.5 NA 1.2 5 NA NA NA NA Bray et al. [54 ] M and F Cauc and Black 10–12 129 DXA Hologic QDR 2000 0.91 3.1% NA %FM = 7.26 + 0.77 * Bic SKF + 0.36 * calf SKF + 0.25 * Thigh SKF NA NA NA NA NA NA NA NA NA 0.89 3.4% NA %FM = 9.02 + 1.09 * Bic SKF + 0.42 * Calf SKF NA NA NA NA NA NA NA NA NA Clasey et al. [56 ] M Cauc 5–11.9 203 DXALunar DPX-IQ 0.95 1.4 kg NA FFM (kg) = −7.655 + 0.297 * S, cm + 0.125
– 0.0174 * Imp 38 M 5–11.9 0.95 1.2 kg NA NA 0.0 2.5–(−2.4) NS F 158 (GE/Lunar) 37 F Flavel et al. [55 ] M Cauc 6–17 37 DXA Lunar Prodigy 0.91 3.0% NA %FM = 1.09 + 0.63 * Tri SKF + 0.36 * Thigh SKF + 0.50 Supraspinale SKF – 0.16 * Abd SKF + 0.33 Bic SKF NA NA NA NA NA NA NA NA NA F 33 0.93 2.60% NA %FM = 11.03 + 0.93 * BMI + 0.30 * Waist Girth − 0.24 * S, cm + 0.48 * Calf SKF + 0.07 * Hip Girth NA NA NA NA NA NA NA NA NA Huang et al. [53 ] M and F Latino 7–13 64 DXA Hologic QDR 4500W 0.92 NA NA FM (kg) = 0.665
− 1.606 * Age − 1.882 * Sex (0 = girl; 1 = boy) + 3.330 32 7–13 0.92 NA NA NA 0.36 6.4–(−5.7) NS Hoffman et al. [52 ] M Mixed ethnicity 9.8 ± 1.3 48 DXA Hologic QDR 4500A 0.78 1.2 kg NA FM (kg) = 6.371 + 0.488
+ 0.128 * Tric SKF − 1.138 * S, cm + 0.645 * Sex − 0.188 * Age 12 10.1 ± 1.5 0.80 NA NA NA 0.09 NA NA F 67 18