Table 2.

Relapse definitions used by different studies

Authors	Criteria for relapse (one of the following cases)
	Hospitalization	Increased number of psychiatric treatments	Change in the PANSS score	Change in the CGI score	Self-injury	Homicidal thoughts	Suicide or murder accident	Damage to property by violent behaviour
Csernansky et al. [62]	O	O	≥25% in total; ≥10 points, when the baseline score <40	Much worse or very much worse	O	O	-	O
Schooler et al. [61]	-	-	≥25% in total; ≥10 points, when baseline score is below 40	Much worse or very much worse	O	-	O	O
Simpson et al. [57]	-	-	≥4 in five items (P1, P3, P5, P6, and P9) for at least 1 week	-	-	-	-	-
Chung et al. [34]	-	-	≥20% in total; ≥4 points in P1, P2, P3, P6	≥2 points compared with the baseline score	-	-	-	-
Lee et al. [65]	-	-	≥5 points in positive items and GAF score <30	-	-	-	-	-
Kim et al. [96]	O	-	≥25% in total; ≥10 points, when baseline score is below 40; ≥4 points due to increase of ≥2 points in P1, P2, P3, and P6	≥4 points in the CGI-S due to increase of 2 points; ≥6 in CGI-I	O	-	O	O

CGI: Clinical Global Impression, -: Not reported, PANSS: Positive and Negative Syndrome Scale, O: Reported