TABLE 1.

Means and SDs of age, performance in the WNVSA, mean PTA score of all frequencies for each ear, and gender distribution for each group.

	Gender distribution	Mean age in years: months (SD)	WNVSA Mean standard score (SD)	PTA-R Mean dB (SD)	PTA-L Mean dB (SD)
Control group	4 females 9 males	9:8 (16.3 months)	107.0 (11.1)	6.4 (3.3)	6 (3.5)
Intervention group	4 females 9 males	9:7 (16.1 months)	99.3 (8.7)	7.3 (2.8)	7.2 (3.4)

PTA-L, Pure Tone Audiometry – Left ear; PTA-R, Pure Tone Audiometry – Right ear; SD, Standard Deviation; WNVSA, Wechsler Non-Verbal Scale of Ability.