Table 2.

Location and IAS tone in the patients object to study

Location	Normotonic IAS		Hypertonic IAS		Total
	N°	%	N°	%	N°	%
Anterior	21	55.3	17	44.7	38	34.5
Posterior	17	23.6	55	76.4	72	65.5
Total	38	34.5	72	65.5	110	100