Table 2 Processed EEG parameters at 2 minutes before the event, separated by patients with light versus deep sedation
| Â | RE | SE | BIS | P values |
|---|---|---|---|---|
All events | ||||
   RSS score 1 to 4 (n = 539) | 79 (35 to 97) | 61 (30 to 86) | 66 (48 to 89) | All P < 0.001 (Mann-Whitney) |
   RSS score > 4 (n = 160) | 34 (26 to 58) | 31 (24 to 48) | 41 (34 to 58) |  |
Sedation boli | ||||
   RSS score 1 to 4 (n = 192) | 85 (39 to 97) | 73 (34 to 86) | 67 (49 to 91) | All P < 0.001 (Mann-Whitney) |
   RSS score > 4 (n = 60) | 33 (26 to 48) | 31 (33 to 51) | 40 (33 to 51) |  |
Opiate boli | ||||
   RSS score 1 to 4 (n = 179) | 56 (30 to 96) | 43 (26 to 85) | 59 (46 to 83) | All P < 0.001 (Mann-Whitney) |
   RSS score > 4 (n = 60) | 31 (23 to 41) | 29 (31 to 44) | 40 (31 to 44) |  |
ETS | ||||
   RSS score 1 to 4 (n = 168) | 89 (45 to 97) | 75 (36 to 86) | 74 (50 to 91) | RE: P = 0.012 |
   RSS score > 4 (n = 40) | 50 (30 to 92) | 44 (27 to 80) | 60 (44 to 80) | SE: P = 0.018 BIS: P = 0.058 |