Table 2 . Difference between word discrimination score (WDS) in silent and WDS in three signal to noise ratios (SNRs) in the left ear .

	Group (n=25)	Mean (%)	SD	p
SNR=0dB	Female	65.9	2.15	0.067
	Male	63.6	2.29	0.018
SNR=+5dB	Female	71.2	1.40	0.041
	Male	69.9	1.80	0.044
SNR =+10dB	Female	79.4	2.00	0.026
	Male	77.3	1.14	0.031

WDS: Word discrimination scores (SDS), SNR: signal to noise ratio