The effect of intervelar veloplasty under magnification (Sommerlad’s Technique) without tympanostomy on middle ear effusion in cleft palate patients

Table 2 Assessment of ABR and tympanogram before and 6 months after surgery

Variable	Pre-operation Number (%)	Post-operation Number (%)	P. value
Abnormal ABR^a
Right	40 (95.2)	11 (25.6)	P < 0.005
Left	40 (95.2)	9 (20.9)	P < 0.005
Abnormal Tym. ^b
Right	40 (93.0)	14 (33.3)	P < 0.005
Left	40 (93.0)	12 (28.6)	P < 0.005

ISSN: 1471-2431