Table 2.
Mean Amplitude and Latency Values for the P2, N350, and P900 Components for the OSAS and Control Groups in Response to the Midinspiratory Occlusion Stimulus in SWS. Means (SD) are Presented for Each Group at Fz, Cz, and Pz
| Site | Fz |
Cz |
Pz |
||||
|---|---|---|---|---|---|---|---|
| OSAS | Control | OSAS | Control | OSAS | Control | ||
| P2 | Amplitude, μV | 4.02 (7.22) | 6.72 (6.47) | 2.95 (10.17) | 9.27 (5.24) | 2.11 (8.84) | 6.87 (5.35) |
| Latency, ms | 206.16 (29.28) | 218.10 (43.72) | 206.16 (39.58) | 216.80 (19.88) | 207.47 (35.50) | 211.26 (28.53) | |
| N350 | Amplitude, μV ** †† | −11.84 (5.97) | −29.57 (15.04) | −20.23 (10.68) | −50.97 (25.77) | −17.43 (12.24) | −37.52 (23.69) |
| Latency, ms | 410.16 (84.39) | 392.58 (60.85) | 389.32 (75.87) | 384.12 (60.61) | 382.38 (82.99) | 401.69 (63.94) | |
| N550 | Amplitude, μV | −16.97 (11.16) | −32.28 (20.68) | −15.07 (8.41) | −32.52 (24.61) | −12.42 (13.45) | −23.70 (25.29) |
| Latency, ms † | 736.98 (148.03) | 579.43 (126.22) | 692.71 (164.31) | 572.59 (127.91) | 645.83 (154.26) | 585.29 (140.33) | |
| P900 | Amplitude, μV * † | 17.44 (16.07) | 44.94 (21.27) | 27.01 (26.62) | 60.70 (25.04) | 25.87 (24.04) | 44.17 (14.46) |
| Latency, ms * † | 1148.44 (137.29) | 1007.49 (121.05) | 1134.98 (111.59) | 960.94 (137.30) | 1036.46 (226.10) | 952.80 (149.49) | |
*diagnosis effect at P < 0.05; ** at P < 0.001
†electrode site effect at P < 0.05; †† at P < 0.01