Table 2. Goodness-of-fit statistics of different classes of PANSS Positive, Negative, General Psychopathology symptoms and GAF functioning.

Number of classes	Number of free parameters	Log likelihood	AIC	BIC	Entropy (%)	LMR-LRT statistic	p value	BLRT statistic	p value
Positive symptoms
1	7	-18105	36224	36262.2	-
2	10	-17685.7	35391.5	35446.0	78.6	136.2	0.001	838.5	<0.001
3	13	-17460.2	34946.4	35017.3	79.1	451.1	0.637	451.1	<0.001
4	16	-17293.8	34619.7	34706.9	79.6	332.7	0.087	332.7	<0.002
5	19	-17169.5	34377.1	34480.7	79.3	248.6	0.277	248.6	<0.001
Negative symptoms
1	7	-18521.5	37057.0	37095.2
2	10	-17638.4	35296.9	35351.4	88.6	1766.2	0.001	1766.2	<0.001
3	13	-17354.5	34735.0	34805.9	90.8	567.8	0.0002	567.8	<0.001
4	16	-17135	34302	34389.2	89.2	439.0	0.030	439.0	<0.001
5	19	-17032.061	34102.12	34205.7	86.9	351.1	0.499	205.9	<0.001
General Psychopathology symptoms
1	7	-21107.3	42228.6	42266.7
2	10	-20696.8	41413.6	41468.1	0.814	821	0.0001	821	<0.001
3	13	-20567.4	41160.9	41231.8	0.802	258.7	0.026	258.7	<0.001
4	16	-20471.5	40975.0	41062.3	0.764	191.9	0.036	191.9	<0.001
5	19	-20414.3	40866.6	40970.2	0.751	114.5	0.216	114.5	<0.001
GAF functioning
1	7	-23745.2	47504.4	47542.6
2	10	-23546.1	47112.3	47166.8	0.508	398.1	<0.001	381.1	<0.001
3	13	-23506.6	47039.1	47110.0	0.601	79.1	0.014	75.755	0.016
4	16	-23483.6	46999.2	47086.4	0.565	45.9	0.136	44.0	0.145
5	19	-23467.6	46973.2	47076.8	0.503	31.9	0.108	30.6	0.109