Table 1.

Shows the mean value of transverse diameter, transverse angle, for the different levels

Variables	Number	Mean	Standard deviation
TD1	287	5.05 mm	1.51
TD2	287	5.31 mm	1.64
TD3	287	6.72 mm	3.50
TD4	287	8.27 mm	1.94
TD5	287	11.31 mm	2.47
TA1	287	17.80°	4.45
TA2	287	19.34°	3.89
TA3	287	20.80°	4.25
TA4	287	22.00°	4.90
TA5	287	25.70°	5.00

In the above table; transverse diameter and transverse angle means increase craniocaudally