Table 1. ABR analysis of mice at 6 and 12 months of age.

	Mean Hearing Threshold (dB) at 6 Months					Mean Hearing Threshold (dB) at 12 Months
	Male		Female			Male		Female
Test	Mean	SD	Mean	SD	P	Mean	SD	Mean	SD	P
Click	40	7.07	33	2.74	0.059	43.75	4.79	43	2.45	0.893
4KHz	56.25	7.5	48	4.47	0.076	55	4.08	61	4.9	0.090
8KHz	32.5	2.89	24	4.18	0.023*	28.75	4.79	32	5.1	0.373
16KHz	30	4.08	33	2.74	0.028*	50	4.08	51	13.93	0.711
32KHz	91.25	6.29	84	2.24	0.031*	100	0	97	4	0.180

^*denotes a significant p value (p<0.05).