Table 2.

Standard deviations of respiratory signals from the 52 patients with liver cancer performing guided respiration.

Phase	Mean (range)
0%	0.244 (0.043–0.671)
10%	0.277 (0.072–0.571)
20%	0.222 (0.060–0.484)
30%	0.163 (0.046–0.433)
40%	0.120 (0.031–0.298)
50%	0.111 (0.024–0.334)
60%	0.133 (0.040–0.386)
70%	0.190 (0.059–0.426)
80%	0.200 (0.059–0.399)
90%	0.204 (0.043–0.462)