Psychotic symptoms in bipolar disorder and their impact on the illness: A systematic review

Table 4 Types of hallucinations in bipolar disorder

Hallucinations	Auditory/AVH	Visual	Tactile	Olfactory	Gustatory	Somatic	Others
Lifetime BD and BP I (n = 13)	Mean (n = 13) 26%; Median 24%; Range: 3%-52%	Mean (n = 10) 23%; Median 23%; Range: 9%-47%	Mean (n = 1) 16%; Median 16%; Range: 16%	-	-	-	Mean (n = 3) Median 12%; 9%; Range: 3%-13%
Current BD (n = 3)	Mean (n = 3) 17%; Median 17%; Range: 8%-17%	Mean (n = 2) 6%; Median 6%; Range: 3%-9%	Mean (n = 1) 0.3%; Median 0.3%; Range: 0.3%	Mean (n = 2) 1%; Median 1%; Range: 1%	Mean (n = 2) 1%; Median 1%; Range: 1%	Mean (n = 2) 2%; Median 2%; Range: 0.4%-3%	-
Lifetime mania (n = 3)	Mean (n = 3) 40%; Median 39%; Range: 22%-52%	Mean (n = 1) 25%; Median 25%; Range: 25%	-	-	-	Mean (n = 1) 11%; Median 11%; Range: 11%	-
Current mania (n = 18)	Mean (n = 17) 33%; Median 41%; Range: 12%-57%	Mean (n = 8) 20%; Median 17%; Range: 2%-61%	Mean (n =2) 4%; Median 4%; Range: 3%-5%	Mean (n = 2) 8%; Median 8%; Range: 6%-13%	-	Mean (n = 2) 11%; Median 11%; Range: 1%-21%	Mean (n = 5) 27%; Median 28%; Range: 7%-46%
Lifetime depression (n = 2)	Mean (n = 2) 40%; Median 40%; Range: 13%-67%	Mean (n = 1) 7%; Median 7%; Range: 7%	-	-	-	-	Mean (n = 2) 18%; Median 18%; Range: 4%-33%
Current depression (n = 6)	Mean (n = 6) 16%; Median 9%; Range: 4%-50%	Mean (n = 3) 5%; Median 3%; Range: 1%-11%	-	Mean (n = 1) 0.5%; Median 0.5%; Range: 0.5%	Mean (n = 1) 0.5%; Median 0.5%; Range: 0.5%	-	Mean (n = 1) 2%; Median 2%; Range: 2%
Lifetime mixed (n = 1)	Mean (n = 1) 33%; Median 33%; Range: 33%	-	-	-	-	-	-
Current mixed (n = 3)	Mean (n = 3) 37%; Median 41%; Range: 4%-67%	Mean (n = 3) 13%; Median 18%; Range: 2%-20%	Mean (n = 1) 5%; Median 5%; Range: 5%	-	Mean (n = 1) 0.5%; Median 0.5%; Range: 0.5%	Mean (n = 1) 2%; Median 2%; Range: 2%	Mean (n = 1) 6%; Median 6%; Range: 6%
Overall rates	Mean (n = 48) 30%; Median 30%; Range: 3%-67%	Mean (n = 28) 14%; Median 13%; Range: 3%-47%	Mean (n = 1) 6%; Median 6%; Range: 0.3%- 16%	Mean (n = 5) 3%; Median 3%; Range: 1%- 16%	Mean (n = 4) 1%; Median 1%; Range: 0.5%-1%	Mean (n = 5) 8%; Median 8%; Range: 0.4%- 47%	Mean (n = 10) 12%; Median 1%; Range: 1%- 46%

Complete details in Supplementary Table 6. AVH: Auditory verbal hallucinations or hearing voices; BD: Bipolar disorder; BP I: Bipolar disorder type I; BP II: Bipolar disorder type II.