. 2021 Aug 2;18(8):709–717. doi: 10.30773/pi.2021.0062

Table 1.

Demographic data and clinical information of included study

Author	Sample size	Sex (M/F)	Diagnostic criteria	SZ age (mean±SD)	HC age (mean±SD)	Diagnosis	Drug state	Quanlity score
Shan et al. [22]	SZ 39	27/12	DSM-5	24.64±5.01	25.7±4.9	SZ	Yes	9.5
Shan et al. [22]	HC 20	14/6
Zhao et al. [23]	SZ 44	31/13	DSM-IV	23.7±5.3	22.6±3.7	FES	Drug naive	10
Zhao et al. [23]	HC 26	17/9
Zhang et al. [24]	SZ 53	42/11	DSM-IV	36.7±13.67	34.82±11.28	SZ	Yes	9.5
Zhang et al. [24]	HC 67	46/21
Wang et al. [8]	SZ 48	21/27	DSM-IV-TR	15.79±1.64	15.42±1.52	FES	Drug naive	10
Wang et al. [8]	HC 31	14/17
Gou et al. [25]	SZ 28	16/12	DSM-IV	23.9±5.4	28.8±6.1	SZ	Yes	9.5
Gou et al. [25]	HC 21	14/7
Gao et al. [27]	SZ 34	19/15	DSM-IV	35.13±8.85	32.73±7.61	SZ	Yes	10
Gao et al. [27]	HC 29	16/13
Liu et al. [11]	SZ 27	15/12	DSM-IV	25.44±5.92	27.44±7.24	SZ	Partly	9.5
Liu et al. [11]	HC 27	18/9
Cui et al. [28]	SZ 32	NA	DSM-IV-TR	NA	NA	FES	Drug naive	9
Cui et al. [28]	HC 19	NA
Gao et al. [26]	SZ 14	9/5	DSM-IV	33.2±10.7	34.9±113.6	SZ	Yes	9.5
Gao et al. [26]	HC 14	9/5
Yu et al. [9]	SZ 69	34/35	DSM-IV	31.7±9.6	29.9±8.6	SZ	Yes	9.5
Yu et al. [9]	HC 62	25/27
Liu et al. [12]	SZ 18	9/9	DSM-IV	23.67±4.397	24.44±3.884	SZ	Yes	9
Liu et al. [12]	HC 18	9/9
Chen et al. [30]	SZ 36	16/20	DSM-IV	28.28±1.43	35.68±1.81	SZ	Yes	9
Chen et al. [30]	HC 44	17/27
Yan et al. [29]	SZ 69	50/19	DSM-IV	24.22±7.08	26.27±6.97	FES	Drug naive	10
Yan et al. [29]	HC 74	45/29

SZ: schizophrenia, FES: first-episode schizophrenia, HC: healty control, NA: not available, SD: standard deviation, M: male, F: female, DSM: Diagnostic and Statistical Manual of Mental Disorders