Table 2.

The performance scores between NC and OA group. The mean, standard deviation (SD), t-value, and p-value are shown.

VARIABLE	NC		OA		t-value	p-value
	Mean	S.D.	Mean	S.D.
MMSE score	28.74	1.94	28.10	2.04	1.608	0.111
Reaction time	301.69	27.89	311.68	31.35	−1.683	0.096
Error (Go)	4.56	2.49	6.04	5.07	−1.852	0.067
Error (NoGo)	1.70	1.59	1.94	1.77	−0.713	0.477
Error (Total)	6.26	2.97	7.98	5.45	−1.958	0.053