Table 2.

Correlations between DPOAE levels and pure tone thresholds

	DPOAE f2 Frequency (kHz)
		1.0	1.2	1.5	2.0	2.5	3.0	4.0	5.0	6.0	8.0	10.0
Pure Tone Threshold Frequency (kHz)	0.25	−0.15 361	−0.15 363	−0.23 364	−0.28 365	−0.23 366	−0.15 366	−0.18 366	−0.19 366	−0.12 361	−0.17 332	−0.03 330
	0.50	−0.22 361	−0.24 363	−0.33 364	−0.30 365	−0.25 366	−0.21 366	−0.20 366	−0.20 366	−0.17 361	−0.21 332	0.01 330
	1.0	−0.15 361	−0.13 363	−0.28 364	−0.28 365	−0.21 366	−0.25 366	−0.25 366	−0.22 366	−0.16 361	−0.19 332	0.00 330
	2.0	−0.06 361	−0.05 363	−0.21 364	−0.33 365	−0.32 366	−0.36 366	−0.29 366	−0.27 366	−0.20 361	−0.22 332	−0.03 330
	3.0	0.01 361	0.03 363	−0.07 364	−0.12 365	−0.17 366	−0.34 366	−0.36 366	−0.36 366	−0.22 361	−0.23 332	−0.08 330
	4.0	0.04 361	0.05 363	−0.05 364	−0.11 365	−0.13 366	−0.27 366	−0.45 366	−0.42 366	−0.33 361	−0.31 332	−0.20 330
	6.0	−0.11 361	−0.12 363	−0.22 364	−0.19 365	−0.20 366	−0.30 366	−0.37 366	−0.49 366	−0.44 361	−0.46 332	−0.35 330
	8.0	−0.04 361	−0.08 363	−0.14 364	−0.16 365	−0.12 366	−0.22 366	−0.34 366	−0.34 366	−0.35 361	−0.33 332	−0.32 330
	9.0	0.01 329	−0.03 331	−0.08 332	−0.20 333	−0.11 334	−0.12 334	−0.27 334	−0.28 334	−0.21 330	−0.20 302	−0.22 298
	10.0	−0.03 329	−0.05 331	−0.06 332	−0.13 333	−0.06 334	−0.07 334	−0.22 334	−0.23 334	−0.18 330	−0.14 302	−0.16 298
	11.2	0.02 329	0.03 331	−0.04 332	−0.11 333	−0.07 334	−0.12 334	−0.25 334	−0.22 334	−0.15 330	−0.09 302	−0.23 298
	12.5	0.00 329	0.00 331	−0.04 332	−0.14 333	−0.12 334	−0.15 334	−0.31 334	−0.31 334	−0.27 330	−0.09 302	−0.25 298
	14.0	0.05 329	0.01 331	−0.02 332	−0.13 333	−0.11 334	−0.15 334	−0.30 334	−0.28 334	−0.24 330	−0.10 302	−0.24 298
	16.0	0.06 329	0.01 331	−0.01 332	−0.13 333	−0.12 334	−0.10 334	−0.21 334	−0.21 334	−0.25 330	−0.10 302	−0.18 298

Pearson correlation coefficients and number of observations. Black boxes show correlations between DPOAE level and pure tone threshold at the corresponding frequency.