Table 3

The MoCA subgroup analysis by years of education in PSS and control group.

	5-8 years						>8 years
	n	mean	SD	min	max	P-value	n	mean	SD	min	max	P-value
*Visuospatial/executive 5 points*
Patients	22	3.82	0.85	2	5	1.158	10	4.5	0.71	3	5	0.121
Control	20	4.2	0.7	3	5		10	4.9	0.32	4	5
*Naming 3-pointsl*
Patients	22	2.27	0.63	1	3	1.55	10	2.9	0.32	2	3	0.317
Control	20	2.55	0.51	2	3		10	3	0	3	3
*Attention 6-points*
Patients	22	3.68	1.84	0	6	0.538	10	5	0.67	4	6	0.872
Control	20	3.5	1.19	1	6		10	4.9	1.2	3	6
*Language 3-points*
Patients	22	1.41	1.18	0	3	0.865	10	2.3	0.67	1	3	0.598
Control	20	1.35	0.88	0	3		10	2	1.05	0	3
*Abstraction 2-points*
Patients	22	1.55	0.6	0	2	0.175	10	2	0	2	2	0.999
Control	20	1.75	0.55	0	2		10	2	0	2	2
*Delayed recall-5 points*
Patients	22	2	1.51	0	5	0.016	10	4.1	1.1	2	5	0.499
Control	20	3.1	1.21	1	5		10	3.8	1.14	2	5
*multiple-choice cue*
Patients	22	1.59	1.22	0	4	0.021	10	0.4	0.52	0	1	0.861
Control	20	0.75	0.72	0	2		10	0.5	0.71	0	2
*category cue*
Patients	22	1.05	1	0	3	0.11	10	0.3	0.48	0	1	0.577
Control	20	0.55	0.6	0	2		10	0.5	0.71	0	2
*Orientation-6 points*
Patients	22	5.86	0.35	5	6	0.347	10	6	0	6	6	0.999
Control	20	5.95	0.22	5	6		10	6	0	6	6
*Moca*
Patients	22	20.64	4.33	10	26	0.348	10	26.8	1.81	24	30	0.787
Control	20	22.35	2.32	18	27		10	26.9	2.13	23	30
*Beck*
Patients	22	13.5	10.16	0	39	0.189	10	12.3	7.06	0	27	0.118
Control	20	9.25	5.99	2	31		10	8.3	4.35	3	16