Table 4.
Comparison of channel 5 among the nine squares in Fine-grained step.
| Front Electrode Location | Electrode Pair | Average SNR (dB) 1 |
Average QRS Amplitude (mV) 1 | CV of QRS Amplitude (%) |
|---|---|---|---|---|
| Square 7 | 8/15 | 16.82 ± 4.75 | 0.42 ± 0.17 | 0.400 |
| Square 8 | 9/16 | 22.64 ± 3.67 | 1.10 ± 0.53 | 0.485 |
| Square 9 | 10/17 | 23.17 ± 2.25 | 1.05 ± 0.45 | 0.428 |
| Square 12 | 20/27 | 19.20 ± 5.28 | 0.56 ± 0.42 | 0.745 |
| Square 13 | 21/28 | 21.66 ± 3.09 | 0.82 ± 0.38 | 0.468 |
| Square 14 | 22/29 | 21.93 ± 5.47 | 1.08 ± 0.71 | 0.653 |
| Square 17 | 26/33 | 15.39 ± 4.11 | 0.29 ± 0.20 | 0.706 |
| Square 18 | 27/34 | 15.91 ± 3.28 | 0.37 ± 0.16 | 0.432 |
| Square 19 | 28/35 | 13.18 ± 6.01 | 0.27 ± 0.14 | 0.508 |
1 The values are presented in the form of “mean ± standard deviation”.