Table 2

Correlation matrix of paper and pencil tests. Significant correlations (p<0.0001) are shown in bold

Test	1	2	3	4	5	6	7	8	9	10	11
Bells test
1 Omissions (total number)
2 Omissions (left minus right)	0.61
3 Starting point	0.44	0.32
4 Figure copying	0.66	0.44	0.29
5 Clock drawing	0.39	0.26	0.18	0.35
Bisection
6 20 cm lines	0.62	0.26	0.33	0.49	0.24
7 5 cm lines	0.19	0.13	0.15	0.10	0.18	0.49
Overlapping figures
8 Omissions (total number)	0.72	0.19	0.31	0.54	0.41	0.74	0.31
9 Omissions (left minus right)	0.65	0.26	0.29	0.48	0.42	0.49	0.23	0.72
Reading
10 Omissions (total number)	0.65	0.29	0.29	0.49	0.38	0.70	0.26	0.78	0.61
11 Omissions (left minus right)	0.57	0.40	0.27	0.51	0.29	0.58	0.15	0.56	0.49	0.82
12 Writing (left margin)	0.61	0.33	0.39	0.53	0.30	0.53	0.13	0.57	0.44	0.50	0.52