. Author manuscript; available in PMC: 2020 May 5.

Published in final edited form as: Eur J Clin Nutr. 2017 Sep 6;71(11):1329–1335. doi: 10.1038/ejcn.2017.142

Table 2.

Results of circumference, volume and coefficient of variation evaluations

Measurement	Mean	Mean Δ	CV (%)	R²	RMSE	Bland-Altman analysis
						R²	Slope
Waist (cm)
Tape measure	89.6 ± 14.2		0.2 ± 0.1
KX-16	90.2 ± 13.2	0.64	0.8 ± 0.8	0.86^*	5.3	0.04^‡	−0.08
Proscanner	93.8 ± 14.1	4.21^*	0.8 ± 1.2	0.92^*	5.8	0.0005	−0.01
Styku scanner	84.5 ± 12.9	−5.08^*	0.3 ± 0.4	0.94^*	6.3	0.12^†	−0.10
Hip (cm)
Tape measure	105.0 ± 12.0		0.2 ± 0.3
KX-16	109.8 ± 12.1	4.8^*	0.4 ± 0.4	0.91^*	6.0	0.0006	0.01
Proscanner	106.3 ± 13.3	1.2^†	0.4 ± 1.2	0.90^*	4.6	0.11^†	0.12
Styku scanner	104.9 ± 12.1	−0.02	0.1 ± 0.2	0.96^*	2.6	0.001	0.01
Right arm (cm)
Tape measure	33.2 ± 5.4		0.4 ± 0.2
KX-16	35.9 ± 4.9	2.8^*	2.6 ± 2.2	0.75^*	3.9	0.05^‡	−0.12
Proscanner	33.2 ± 5.1	0.04	1.2 ± 1.0	0.87^*	1.9	0.03	−0.07
Styku scanner	29.1 ±4.3	−4.1^*	0.8 ± 1.3	0.73^*	5.0	0.17^*	−0.25
Right thigh (cm)
Tape measure	56.8±6.2		0.2 ± 0.1
KX-16	63.0 ± 8.5	6.2^*	0.9 ± 0.9	0.71^*	7.7	0.27^*	0.34
Proscanner	51.1 ± 5.5	−5.7^*	0.7 ± 0.9	0.79^*	6.4	0.06^‡	−0.12
Styku scanner	57.3 ± 7.7	−0.2	0.3 ± 0.5	0.83^*	3.3	0.24^*	0.23
Body volume (l)
ADP	76.4 ± 18.3
DXA	75.6 ± 18.1		0.2 ± 0.1
KX-16	73.0 ± 16.9	−3.4^*	0.8 ± 0.6	0.99^*	4.2	0.31^*	−0.08
Proscanner	74.0 ± 17.6	−2.4^*	0.7 ± 0.6	0.99^*	2.9	0.18^*	−0.04
Styku scanner	67.4 ± 15.6	−9.1^*	0.4 ± 0.4	0.99^*	9.7	0.69^*	−0.16
Trunk (l)
DXA	36.4 ± 9.9		0.6 ± 0.5
KX-16	46.8 ± 11.1	10.4^*	1.0 ± 0.8	0.97^*	10.7	0.31^*	0.12
Proscanner	49.7 ± 13.5	13.3^*	0.6 ± 0.9	0.97^*	14.0	0.78^*	0.31
Styku scanner	42.4 ± 11.0	6.0^*	0.3 ± 0.3	0.98^*	6.4	0.32^*	0.11
Left arm (l)
DXA	4.3 ± 1.3		1.5 ± 1.2
KX-16	3.6 ± 1.1	−0.7^*	5.7 ± 4.4	0.82^*	0.9	0.25^*	−0.25
Proscanner	3.7 ± 1.1	−0.6^*	3.9 ± 7.0	0.83^*	0.8	0.23^*	−0.23
Styku scanner	2.0 ± 0.6	−2.2^*	2.0 ± 1.6	0.69^*	2.4	0.73^*	−0.83
Right arm (l)
DXA	4.5 ± 1.3		1.2 ± 1.2
KX-16	3.7 ± 1.1	−0.7^*	4.1 ± 3.0	0.87^*	0.9	0.17^*	−0.17
Proscanner	3.4 ± 1.1	−1.0^*	2.1 ± 4.8	0.89^*	1.1	0.21^*	−0.17
Styku scanner	2.1 ± 0.6	−2.3^*	2.4 ± 2.9	0.80^*	2.5	0.79^*	−0.76
Left leg (l)
DXA	13.0 ± 3.1		1.0 ± 0.8
KX-16	9.3 ± 2.2	−3.69^*	1.6 ± 1.7	0.90^*	3.9	0.54^*	−0.34
Proscanner	8.7 ± 1.7	−4.34^*	2.4 ± 3.1	0.70^*	4.8	0.61^*	−0.64
Styku scanner	6.3 ± 1.6	−6.73^*	0.8 ± 0.9	0.91^*	7.0	0.85^*	−0.65
Right leg (l)
DXA	13.1 ± 3.0		1.1 ± 0.7
KX-16	9.6 ± 2.3	−3.55^*	1.6 ± 1.8	0.90^*	3.7	0.46^*	−0.29
Proscanner	8.5 ± 1.6	−4.62^*	1.5 ± 3.3	0.74^*	5.0	0.62^*	−0.65
Styku scanner	6.2 ± 1.6	−6.89^*	1.4 ± 1.2	0.91^*	7.1	0.84^*	−0.62

Abbreviations: CV, coefficient of variation; RMSE, root means squared error.

P < 0.0001;

^†

P < 0.01;

^‡

P < 0.05. Results are X ± s.d. 113 total subject evaluations for circumferences and volumes, 55 for coefficient of variations.