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. 2021 Apr 12;49(4):03000605211001705. doi: 10.1177/03000605211001705

Table 3.

Bispectral index (BIS) values and corresponding BISpro values.

BIS Pairs
BISpro (Pairs)
100–80 79–60 59–40 < 40
100–80 198 144 54 0b 0b
79–60 172 18 131 23 0b
59–40 52 1a 14 36 1
<40 1 0a 0a 1 0

aType I error (BIS < 60 and BISpro > 80, or BIS < 40 and BISpro > 60); btype II error (BIS > 80 and BISpro < 60, or BIS > 60 and BISpro < 40).