Table 2.

Comparison of mean decibels at different DPQAE frequencies between Gingko and Lycopene groups

Frequency	Gingko group	Lycopene group	t	p
996	10.39±3.18	6.85±6.33	1.413	0.065
1416	12.46±3.55	10.85±4.96	0.748	0.660
2001	11.3±3.53	9.78±4.69	0.735	0.911
2832	12.28±3.9	11.04±5.63	0.511	0.211
4003	11.43±4.9	9.65±4	0.794	0.348
4755	12.4±7.65	12.46±6.47	−0.018	0.466
5654	14±9.7	18.1±7.39	−0.951	0.281
6728	20.08±12.87	26.1±9.71	−1.057	0.148
7998	26.02±11.09	28.41±9.66	−0.459	0.498

DPQAE: distortion product otoacoustic emission