Table 1 BIS values by sleep stage

Stage I

 Benini [11] {#2}

15

88.9

 Dahaba [12] {#4}

10

80.0

 Tung [13] {#35}

17

86.5

42

86.0 ± 3.5

Stage II

 Benini [11] {#2}

15

63.0

 Dahaba [12] {#4}

10

71.0

25

66.2 ± 4.0

Stage III–IV

 Benini [11] {#2}

3

33.0

 Benini [11] {#2}

1

16.0

 Dahaba [12] {#4}

10

52.0

 Dahaba [12] {#4}

10

41.0

 Nieuwenhuijs [14] {#25}

10

42.0

 Sleigh [15] {#33}

5

59.0

39

45.1 ± 8.9