Table 3 PSG sleep quality, and pain threshold mean values (SD) for controls, and interictal migraine subgroups
From: Sleep-related and non-sleep-related migraine: interictal sleep quality, arousals and pain thresholds
C (n = 34) | SM (n = 15) | NSM (n = 18) | |
|---|---|---|---|
Time in bed | 453 (58) | 465 (57) | 488 (46) 4 |
Total sleep time (min) | 409 (68) | 417 (67) | 451 (52) |
Sleep efficiency (%) | 90.0 (8.1) | 89.4 (7.6) | 92.4 (4.2) |
Latency to sleep onset (min) | 12.8 (14.6) | 13.8 (25.1) | 7.4 (7.7) |
Awakening index (no/h) | 0.99 (0.59) | 1.45 (0.84) 4 | 1.12 (0.63) |
Wake after sleep onset (min) | 30.9 (26.7) | 34.5 (19.0) | 29.5 (16.4) |
Stage N1 (min) | 27 (19) | 35 (17) 6 | 29 (13) |
Stage N2 (min) | 197 (47) | 194 (44) | 206 (45) |
Stage N3 (min) | 86 (31) | 88 (25) 3 | 104 (28) 3,5 |
REM (min) | 99 (26) | 99 (38) | 112 (32) |
SaO2 mean (%) | 95.2 (1.4) | 95.2 (1.4) 3 | 96.1 (1.0) 3,4 |
Apnea-hypopnea index (per hour) | 2.7 (3.3) | 2.6 (2.6) | 2.2 (3.3) |
Periodic limb movement index (per hour) | 6.7 (10.3) | 4.0 (6.3) | 8.4 (11.4) |
Fast arousal index (per sleep hour) | 18.3 (5.7) | 17.4 (8.6) | 15.5 (9.7) 4 |
Fast arousal index (per hour REM sleep) | 21.8 (8.7) | 21.3 (11.3) | 18.2 (14.6) |
KD-burst index (per sleep hour) | 14.8 (10.9) | 9.6 (7.3) | 15.4 (9.8) |
D-burst index (per sleep hour) | 11.8 (8.0) | 7.3 (5.7) 4 | 11.3 (8.3) |
K-burst index (per sleep hour) | 3.0 (3.8) | 2.4 (2.2) 3 | 4.0 (2.5) 3,4 |
PPTavg1 (kPa) | 661 (249) | 586 (141) | 519 (125) 6 |
HPTavg2 (°C) | 13.6 (3.1) | 12.6 (3.3) | 11.2 (3.7) 4 |
CPTavg2 (°C) | 20.7 (6.3) | 18.3 (6.3) | 16.1 (7.4) 4 |