Diaphragm compound-muscle action potential latency and amplitude recordings from the optimal electrode pairs, following unilateral magnetic stimulation at 80% of maximal intensity and supramaximal electrical stimulation of the right phrenic nerve (protocol one)
| Subject | Magnetic stimulation | Electrical stimulation | ||||||||||
| Latency ms | Amplitude µV | Latency ms | Amplitude µV | |||||||||
| Test 1 | Test 2 | % diff | Test 1 | Test 2 | % diff | Test 1 | Test 2 | % diff | Test 1 | Test 2 | % diff | |
| 1 | 6.50 | 6.58 | 1.20 | 793 | 790 | 0.40 | 6.42 | 6.60 | 2.80 | 750 | 844 | 11.80 |
| 2 | 7.33 | 7.20 | 1.80 | 942 | 994 | 5.40 | 7.15 | 7.10 | 0.70 | 1100 | 1068 | 3.00 |
| 3 | 6.17 | 6.20 | 0.50 | 374 | 446 | 17.60 | 7.10 | 7.17 | 1 | 365 | 426 | 15.40 |
| 4 | 6.10 | 6.17 | 1.10 | 1099 | 1055 | 4.10 | 6.25 | 6.33 | 1.30 | 1049 | 1145 | 8.80 |
| 5 | 7.30 | 7.13 | 2.40 | 592 | 394 | 40.20 | 6.88 | 7.00 | 1.70 | 516 | 488 | 5.60 |
| Mean±sd | 6.68±0.60 | 6.66±0.49 | 1.40±0.70 | 760±286 | 736±305 | 13.50±16.20 | 6.76±0.41 | 6.84±0.36 | 1.50±0.80 | 756±322 | 794±328 | 8.90±4.90 |
% diff: difference between the first and second study divided by the mean of the first and second study.