Table 1.
S1 (n = 20) | S2 (n = 20) | Late (n = 7) | |
---|---|---|---|
Pm change, cmH2O | 4.83±1.73 | 5.00±1.29 | 5.68±1.36 |
RREP latencies, ms | |||
Nf peak | 43.76±3.68 | 43.88±3.59 | 44.02±3.43 |
P1 peak | 63.22±9.17 | 62.74±6.04 | 55.91±5.46 |
N1 peak | 109.42±23.76 | 117.25±22.35 | 97.76±14.02 |
MEP latencies, ms | |||
P50 peak | 63.72±11.49 | 67.33±10.61 | |
N100 peak | 85.23±20.06 | 84.07±20.46 | |
SEP latencies, ms | |||
P50 peak | 58.24±9.17 | 61.65±11.18 | |
N100 peak | 96.06±13.53 | 98.00±14.15 |
Values are means ± SD. Pm, mouth pressure; RREP, respiratory-related evoked potential; MEP, mouth-evoked potential (mouth air puff trial); SEP, somatosensory evoked potential (hand air puff trial); S1 and S2 are the first and second of the paired stimuli, respectively. Late is the single late inspiratory occlusion elicited RREP.