Table 1.

Baseline characteristics of studies.

First author (year)	Diagnostic criteria	Age, y, mean (SD)	Location	Sample size	Male/female	Assessment tool	Research setting	Sexual dysfunction, %	Risk-of-bias score
Tsai (2011)30	DSM-IV	39.52 (8.81)	Taiwan	161	84/77	ASEX-CV	Outpatient	70.2	9
Gong (1992)31	CCMD-2	38.3 (6.3)	Mainland	50	50/0	Self-designed	Outpatient	64	5
Hou (2016)17	ICD-10	50.2 (9.7)	Mainland	607	155/92	ASEX-CV	Community	78.5	8
Huang (2019)24	ICD-10	42.9 (12.3)	Mainland	720	448/272	ASEX-CV	Community	71.3	7
Liu (2021)25	DSM-IV	28.41 (7.61)	Mainland	162	162/0	ASEX-CV	Inpatient	29.6	8
Ma (2018)26	DSM-IV	47.71 (9.54)	Taiwan	356	237/80	ASEX-CV	Inpatient	59.3	9
Ng (2004)27	ICD-10	38.3 (9.25)	Hong Kong	70	70/0	IIEF-5	Outpatient	41.4	5
Shi (2003)32	—	44.3 (7.5)	Mainland	50	50/0	IIEF-5	Community	58	4
Wang (2016)28	ICD-10, DSM-IV	38.3 (9.25)	Mainland	179	86/93	PRSexDQ	Inpatient	53.2	6
Xu (2009)33	CCMD-3	<48	Mainland	297	142/95	BSDSRS	Inpatient, outpatient	44.7	4
Xiang (2011)16	ICD-10, DSM-IV	43.20 (13.74)	Taiwan/Hong Kong	2480	—	Self-designed	—	6.2/18.6a	6
Yan (2014)34	CCMD-3	34.5 (7.6)	Mainland	412	—	IIEF-5	Inpatient	37.9	4
Zhang (1992)35	CCMD-3	35.75 (8.52)	Mainland	191	130/61	Self-designed	Inpatient	60.7	5
Zou (1996)37	DSM-IV, CCMD-1	>24	Mainland	80	—	Self-designed	Inpatient	66.3	5
Zhang (2001)36	CCMD-2	<55	Mainland	408	225/183	BSDSRS	Inpatient, outpatient	41.3	4
Zhang (2018)29	DSM-5	18-65b	Mainland	118	55/63	ASEX-CV	Inpatient	51.7	7

Abbreviations: ASEX-CV, Arizona Sexual Experience Scale–Chinese Version; BSDSRS, Brief Sexual Dysfunction Self-rating Scale; CCMD, Chinese Classification of Mental Disorders; DSM, Diagnostic and Statistical Manual of Mental Disorders; ICD, International Classification of Diseases; IIEF-5, 5-item International Index of Erectile Function; PRSexDQ, Psychotropic-Related Sexual Dysfunction Questionnaire.

^a6.2% is the prevalence of sexual dysfunction of Taiwan and 18.6% is HongKong.

^bRange.