Table 3.

Comparisons in cognitive function parameters at baseline and 2-year later (n = 130)

	Baseline	2-year later	P
3MS (scores)	88.7 ± 7.24	90.0 ± 7.63	0.02*
CI, n (%)	16 (12.3%)	20 (15.4%)	0.54
Trail A (seconds)	61 (50–79)	59 (46–80)	0.06
Trail B (seconds)	159 (110–230)	145 (107–192)	0.18
Immediate memory (scores)	76.5 ± 16.7	78.7 ± 17.6	0.09
Delayed memory (scores)	96.7 ± 11.2	97.7 ± 15.2	0.43
Visuospatial skill (scores)	97.2 ± 21.8	98.0 ± 15.1	0.69
Language ability (scores)	96.4 ± 12.9	97.8 ± 11.3	0.14

3MS Modified Mini-Mental State Examination, CI cognitive impairment

^*P < 0.05, comparison between baseline and 2-year later