Table 1.

Results of neuropsychological tests.

	Baseline	After coffee consumption	P value
<Global function>
Mini-mental status examination (correct/30 items)	30	30	–
<Attention and working memory>
Digit Span Test forward (correct/9 digits)	8.52 ± 0.75	8.95 ± 0.22	0.025
Digit Span Test backward (correct/8 digits)	6.24 ± 1.76	7.29 ± 1.10	0.001
Target Detection Task (correct/11 syllable targets)	11	11	–
<Executive function>
Trail Making Test Part B (s)	5.80 ± 1.41	4.87 ± 1.17	0.002
<Memory>
Short-term memory recall (correct/5 words)	5	5	–
Delayed recall (correct/5 words)	4.57 ± 0.68	4.81 ± 0.40	0.135

Values represent mean ± standard deviation.