Table 2 shows female:male distribution of the mean value, SD, median value, range and normal cut-off values of the measurements of different anatomical structures.

Volume (right)

15.4 ± 5

14 ± 3 (14)

5-19

8-20

18 ± 6 (18)

9-32

6-30

0.002

Volume (left)

16 ± 6

15 ± 4 (15)

7-21

7-23

18 ± 7 (18)

7-34

4-32

0.016

Craniocaudal diameter (right)

31.3 ± 5

30 ± 3 (31)

20-35

24-36

34 ± 5 (33)

27-43

24-44

0.004

Craniocaudal diameter (left)

31.3 ± 5

30 ± 3 (30)

24-34

24-36

33 ± 5 (34)

21-43

23-43

0.020

A-P diameter (right)

35 ± 4

35 ± 3 (35)

27-41

29-41

36 ± 3 (36)

31-46

30-42

0.056

A-P diameter (left)

35.6 ± 4

34 ± 4 (34)

27-40

26-42

35 ± 4 (36)

26-43

27-43

0.058

Width (right)

23.4 ± 4

23 ± 3 (22)

12-28

17-29

25 ± 4 (25)

18-34

17-33

0.018

Width (left)

23.7 ± 4

23 ± 3 (24)

16-30

17-29

25 ± 5 (25)

14-33

15-35

0.125

Anterior wall thickness at canine fossa (right)

1.1 ± 0.4

1 ± 0.4 (1)

0.6-2.3

0.2-1.8

1.1 ± 0.3 (1.2)

0.6-2.1

0.5-1.7

0.266

Anterior wall thickness at canine fossa (left)

1.1 ± 0.4

1.1 ± 0.4 (1)

0.6-2.5

0.3-1.9

1 ± 0.3 (1)

0.5-1.8

0.4-1.6

0.504

A-P diameter (right)

9.6 ± 3

9 ± 4 (9)

4-20

1-17

10 ± 3 (10)

6-16

4-16

0.034

A-P diameter (left)

10.2 ± 3.3

9 ± 3 (9)

5-20

3-15

11 ± 3 (11)

6-18

5-17

0.046

Anterior wall thickness (right)

2.1 ± 0.8

2 ± 0.6 (1.9)

1.2-3.5

0.8-3.2

2.1 ± 1 (1.9)

0.9-5.2

0.1-4.1

0.824

Anterior wall thickness (left)

2.1 ± 0.8

2.1 ± 0.7 (1.9)

0.8-4.1

0.7-3.5

1.9 ± 0.7 (1.7)

0.9-3.7

0.5-3.5

0.450

AP-diameter (right)

11.6 ± 3

11 ± 3 (11)

5-15

5-17

12 ± 4 (11)

6-20

4-20

0.300

AP-diameter (left)

12.1 ± 4

11 ± 4 (11)

5-18

3-19

13 ± 4 (12)

5-21

5-21

0.227

Thickness (right)

0.9 ± 0.2

0.8 ± 0.2 (0.8)

0.5-1.4

0.4-1.2

0.9 ± 0.3 (0.8)

0.4-1.4

0.3-1.5

0.440

Thickness (left)

0.9 ± 0.2

0.9 ± 0.3 (0.9)

0.5-2

0.3-1.5

0.9 ± 0.3 (0.8)

0.5-1.4

0.3-1.5

0.853