Table 3. Results of the Standard Deviation of the Respiration Signals for the 23 Patients Using the Visual Guidance System.

Phase	Mean (range)
0%	0.300 (0.120–0.672)
10%	0.281 (0.102–0.567)
20%	0.246 (0.092–0.488)
30%	0.192 (0.066–0.470)
40%	0.162 (0.046–0.483)
50%	0.143 (0.029–0.537)
60%	0.156 (0.039–0.500)
70%	0.218 (0.048–0.532)
80%	0.258 (0.085–0.563)
90%	0.277 (0.099–0.614)