Using the hearing in noise test (HINT) in the assessment of the performance of directional microphone

The Egyptian Journal of Otolaryngology

Table 1 Pure tone audiometry (PTA) threshold for both groups

PTA		Range	Mean ± SD	t-test	p-value
250 Hz	CG	5–20	13.13 ± 3.43	9.143	0.001*
250 Hz	SG	15–70	42.00 ± 13.86	9.143	0.001*
500 Hz	CG	10–20	14.38 ± 3.13	13.118	0.001*
500 Hz	SG	30–75	50.25 ± 11.98	13.118	0.001*
1 kHz	CG	7.5–20	14.88 ± 3.29	18.621	0.001*
1 kHz	SG	40–75	58.75 ± 10.24	18.621	0.001*
2 kHz	CG	7.5–22.5	15.75 ± 3.54	21.762	0.001*
2 kHz	SG	45–75	62.63 ± 9.27	21.762	0.001*
4 kHz	CG	7.5–25	15.00 ± 4.73	21.396	0.001*
4 kHz	SG	45–90	68.50 ± 10.63	21.396	0.001*
8 kHz	CG	10–25	18.00 ± 4.63	21.372	0.001*
8 kHz	SG	45–95	75.50 ± 11.54	21.372	0.001*
PTA average	CG	9.58–20.42	15.19 ± 3.08	22.560	0.001*
PTA average	SG	44.17–74.17	59.60 ± 8.50	22.560	0.001*