Table 3 Noise values and confirmation during the resting phase, according to set of leads in the different groups.
Noise (µV) | E8 group n = 127 | E32 group n = 131 | p |
|---|---|---|---|
Frontal leads | 3.2 ± 2.7 | 4.2 ± 12.7 | < 0.0001 |
Transverse leads | 3.3 ± 8.2 | 1.8 ± 6.1 | < 0.0001 |
Orthogonal leads | 3.3 ± 2.3 | 2.2 ± 6.6 | < 0.0001 |
Confirmation (%) | p | ||
|---|---|---|---|
Frontal leads | 126/127 (99.2%) | 123/131 (93.9%) | 0.04 |
Transverse leads | 126/127 (99.2%) | 124/131 (94.7%) | 0.07 |
Orthogonal leads | 125/127 (98.4%) | 124/131 (94.7%) | 0.17 |
Noise (µV) | E8 group n = 127 | N8 group n = 168 | p |
|---|---|---|---|
Frontal leads | 3.2 ± 2.7 | 4.4 ± 8.1 | 0.18 |
Transverse leads | 3.3 ± 8.2 | 3.3 ± 8.5 | 0.57 |
Orthogonal leads | 3.3 ± 2.3 | 3.1 ± 3.0 | 0.49 |
Confirmation (%) | p | ||
|---|---|---|---|
Frontal leads | 126/127 (99.2%) | 167/168 (99.4%) | 1.00 |
Transverse leads | 126/127 (99.2%) | 168/168 (100.0%) | 0.43 |
Orthogonal leads | 125/127 (98.4%) | 165/168 (98.2%) | 1.00 |
Noise (µV) | E32 group n = 127 | N32 group n = 113 | p |
|---|---|---|---|
Frontal leads | 4.2 ± 12.7 | 3.2 ± 8.3 | 0.72 |
Transverse leads | 1.8 ± 6.1 | 1.7 ± 4.1 | 0.52 |
Orthogonal leads | 2.2 ± 6.6 | 1.5 ± 1.2 | 0.68 |
Confirmation (%) | p | ||
|---|---|---|---|
Frontal leads | 123/131 (93.9%) | 106/113 (93.8%) | 1.00 |
Transverse leads | 124/131 (94.7%) | 107/113 (94.7%) | 1.00 |
Orthogonal leads | 124/131 (94.7%) | 107/113 (94.7%) | 1.00 |
Noise (µV) | N8 group n = 168 | N32 group n = 113 | p |
|---|---|---|---|
Frontal leads | 4.4 ± 8.1 | 3.2 ± 8.3 | < 0.0001 |
Transverse leads | 3.3 ± 8.5 | 1.7 ± 4.1 | < 0.0001 |
Orthogonal leads | 3.1 ± 3.0 | 1.5 ± 1.2 | < 0.0001 |
Confirmation (%) | p | ||
|---|---|---|---|
Frontal leads | 167/168 (99.4%) | 106/113 (93.8%) | 0.008 |
Transverse leads | 168/168 (100.0%) | 107/113 (94.7%) | 0.004 |
Orthogonal leads | 165/168 (98.2%) | 107/113 (94.7%) | 0.16 |
