Feasibility of Bioelectrical Impedance Spectroscopy Measurement before and after Thoracentesis

Figure 5

Correlation between PE and impedances using different measuring vectors: (a) “Foot to Hand” vector in the low frequency domain (; ; ; CI 95% −0.85 to −0.31), (b) “Foot to Hand” vector in the high frequency domain (; ; ; CI 95% −0.76 to  –0.06), (c) “Transthoracic” vector in the low frequency domain (; ; ; CI 95% −0.69 to 0.07), and (d) “Transthoracic” vector in the high frequency domain (; ; ; CI 95% −0.62 to 0.2).

(a)

(b)

(c)

(d)