Table 3 Ultrasonographic (TCS) findings in the groups of patients and control subjects

SN_R cm²

0.22 ± 0.12

0.20 ± 0.11

0.27 ± 0.14

<0.001^a

0.15 ± 0.09

<0.001^d

SN_L cm²

0.27 ± 0.15

0.23 ± 0.14

0.31 ± 0.16

0.001^b

0.16 ± 0.09

<0.001^e

SN_Max cm²

0.30 ± 0.16

0.24 ± 0.14

0.34 ± 0.16

<0.001^c

0.18 ± 0.09

<0.001^f

SN_Max ≥0.20 cm²

10 (66.7)

49 (42.2)

106 (75.2)

<0.001

18 (17.8)

<0.001

SN_Max ≥0.26 cm²

8 (53.3)

38 (32.8)

89 (63.1)

11 (10.9)

V3 cm

0.69 ± 0.31

0.58 ± 0.28

0.58 ± 0.27

NS

0.53 ± 0.25

NS^g

LV_R cm

1.81 ± 0.3

1.82 ± 0.26

1.78 ± 0.24

NS

1.79 ± 0.26

NS

LV_L cm

1.78 ± 0.26

1.81 ± 0.3

1.75 ± 0.24

NS

1.74 ± 0.26

NS

Raphe – or +/-

5 (38.5)

22 (20)

51 (38.6)

0.007

11 (13.1)

<0.001

Caudate +

0 (0)

2 (1.7)

2 (1.4)

NS

0 (0)

NS

Lentiform +

4 (26.7)

20 (17.2)

12 (8.5)

NS

4 (4)

0.006

Thalamus +

2 (13.3)

10 (8.6)

10 (7.1)

NS

10 (9.9)

NS

Red nucleus +

1 (6.7)

20 (17.2)

9 (6.4)

0.008

19 (18.8)

0.005