Table 1.

Mean amplitudes and breathing cycles $(\text{mean}\pm 1\hspace{0.17em}\text{SD})$ of six volunteer cases

	Amplitude (mm)	Breathing cycle (s)
Case	$\mathit{\text{Mean}}\pm \mathit{\text{SD}}$	$\mathit{\text{Mean}}\pm \mathit{\text{SD}}$
A	$13.11\pm 1.85$	$6.9\pm 1.6$
B	$11.75\pm 2.18$	$6.1\pm 1.3$
C	$25.87\pm 1.20$	$8.2\pm 0.9$
D	$15.57\pm 1.72$	$4.7\pm 0.8$
E	$9.58\pm 1.25$	$3.7\pm 1.1$
F	$7.38\pm 0.82$	$3.5\pm 0.4$