Table 1.

Descriptive statistics of the sample demographic features (age, education and CRI) and of all scores obtained in all ENB-2 tasks and ENB-2 total score

	Mean	Median	Mode	SD	Min	Max	Skewness	Kurtosis
Age	93.66	92	92	3.2	90	105	1.5	2.4
Education	4.69	5	5	2.9	0	18	2.2	7.9
CRI	115.7	111	104	16.7	88	165	2.1	6.8
Digit span	4.5	4	4	0.8	3	7	0.8	0.3
Immediate memory	6.8	7	6	2.4	3	15	0.9	1.6
Delayed memory	8	7	5	4	0	20	0.8	0.7
Interference memory (10 s)	3	2	2	2.2	0	9	0.8	− 0.1
Interference memory (30 s)	2.5	2	2	2	0	8	0.6	− 0.3
TMT-A	277.2	183	999	282.1	34	999	2	2.6
TMT-B	329.7	296	121	166.3	121	708	0.9	0.2
Token	4.6	4.5	5	0.5	3	5	− 1.2	0.6
Fluency	6.4	5.6	3.6	3.2	1.6	17	1.3	1.9
Abstraction	3.8	4	4	1.6	1	6	− 0.2	− 0.9
Overlapped figures	14.6	14	14	6.5	0	33	0.5	0.4
Cognitive estimation	3.8	3	3	6.5	1	5	− 0.2	− 0.4
Copy drawing	0.8	1	1	0.7	0	2	0.3	− 1.1
Spontaneous drawing	1.2	1	1	0.8	0	2	− 0.4	− 1.1
Clock	4.8	4	4	2.5	0	9.5	− 0.1	− 0.5
Praxis	5.8	6	6	0.5	3	6	− 3.6	14.4
ENB-2 tot	47.9	47	43	9.7	28	69	0.2	− 0.3