Fundamentals, Recent Advances, and Future Challenges in Bioimpedance Devices for Healthcare Applications

Table 2

Comparison of correlation analysis results in studies of body composition.

Study	Sample size	Measurement	Reference method	Bioimpedance method	Bioimpedance device	Correlation coefficient r	p-value
[193]	94 patients on growth hormone replacement therapy	TBW (L)	TrD	SFBIA [208]	Body Scout, Fresenius Medical Care, Germany	0.9	p < 0.001
				SFBIA [189]		0.91
				SFBIA [209]		0.97
				SFBIA [188]		0.97
				BIS [154]		0.97
				BIS [63]		0.96
[207]	122 adult hemodialysis patients	TBW (L)	DEXA	BIS	Body Composition Monitor, Fresenius Medical Care, Germany	0.87	p < 0.001
[204]	84 postmenopausal women	Fat mass (kg)	DEXA	MFBIA	BIA-ACC, BIOTEKNA, Italy	0.95	p < 0.001
		Fat mass (%)				0.76
[205]	11 hemodialysis patients	Fat mass (kg)	DEXA	BIS	Impedimed IMP SFB7, Impedimed, USA	0.96	p < 0.001
	25 healthy subjects					0.92
[210]	30 healthy adults	FFM (kg)	DEXA	SFBIA	RJL Systems Quantum IV, RJL Systems, USA	0.96	p < 0.001
		Fat mass (kg)				0.92
[206]	53 adult hemodialysis patients	Bone mineral (kg)	DEXA	SFBIA	InBody S10, InBody, Korea	0.67	p < 0.001
		Fat mass (kg)				0.93
		FFM (kg)				0.96