Table 3. Handwriting variables and their mean values and standard deviations (between parenthesis) for each group (Schizophrenia vs Bipolar disorder).

Variables	Schizophrenia spectrum disorder (N = 43)	Bipolar Disorder (N = 11)	Student’s t
Velocity	2.20 (0.80)	2.41 (0.80)	t<1, p = 0.46
Acceleration	637.95 (629.51)	756.61 (907.28)	t<1, p = 0.67
Length	28.35 (18.37)	24.52 (13.73)	t<1, p = 0.47
Peaks	249.31 (141.28)	212.09 (102.05)	t<1, p = 0.44
Pressure	756.76 (159.16)	749.61 (135.67)	t<1, p = 0.89
HFDv	1,53 (0.06)	1,56 (0.04)	t = -1.59, p = 0.11
SEv	0,68 (0.19)	0,77 (0.14)	t = -1.35, p = 0.18
LZv	0,38 (0.06)	0,41 (0.03)	t = -1.52, p = 0.13
HFDp	1,23 (0.06)	1,25 (0.06)	t<1, p = 0.47
SEp	0,03 (0.01)	0,04 (0.01)	t<1, p = 0.91
LZp	0,05 (0.02)	0,05 (0.01)	t<1, p = 0.73
Lacunarity	0,27 (0.02)	0,27 (0.02)	t<1, p = 0.41
SAS	5.72 (4.90)	5.36 (4.41)	t<1p = 0.82