Table 1.
GE Spine Phantom L1-L4 | BonaFide Phantom (BFP) L1-L4 | Hologic Phantom L1-L4 | Bioclinica Body Composition Phantom (BBCP) Total Body | Human In Vivo Total Body | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bias | Existing Unit Mean | New Unit Mean | Bias | Existing Unit Mean | New Unit Mean | Bias | Existing Unit Mean | New Unit Mean | Bias | Existing Unit Mean | New Unit Mean | Bias | Existing Unit Mean | New Unit Mean | |
BMD g/cm2 | −0.007 | 1.188 | 1.195 | −0.008 | 1.070 | 1.079 | −0.003 | 1.105 | 1.108 | 0.005 | 1.081 | 1.086 | 0.026 | 1.250 | 1.276 |
Area cm2 | 0.252 | 51.29 | 51.04 | 0.269 | 44.77 | 44.51 | 0.512 | 52.46 | 51.95 | 0.067 | 497.6 | 497.7 | −11.3 | 2432 | 2420 |
BMC g | −0.062 | 60.93 | 61.00 | −0.085 | 47.92 | 48.00 | 0.425 | 57.99 | 57.56 | −3.367 | 537.7 | 541.1 | −50.9 | 3051 | 3102 |
Lean g | - | - | - | - | - | - | - | - | - | 462.9 | 10534 | 10071 | 832.9 | 54230 | 53397 |
Fat g | - | - | - | - | - | - | - | - | - | −496.4 | 5924 | 6420 | −860.2 | 17507 | 18267 |
Fat % | - | - | - | - | - | - | - | - | - | −2.84 | 34.9 | 37.7 | −1.14 | 23.4 | 24.6 |