Transtympanic Electrocochleography for the Diagnosis of Ménière's Disease

Table 6

Correlations (Pearson’s r) between SP/AP ratios obtained at 0.5, 1, 2, and 4 kHz in the “positive” (POS) and “negative” (NEG) cases classified by three diagnostic methods.

		0.5 kHz		1 kHz		2 kHz
		POS	NEG	POS	NEG	POS	NEG
ECochG:
1 kHz	R	0.49	0.20
	L	0.52	0.44
2 kHz	R	0.37	0.22	0.70	0.63
	L	0.37	0.38	0.72	0.47
4 kHz	R	0.26	0.19	0.42	0.21	0.48	0.31
	L	0.22	0.23	0.35	0.51	0.53	0.34
AAO-HNS CHE (“possible” as negative):
1 kHz	R	0.50	0.43
	L	0.61	0.50
2 kHz	R	0.42	0.36	0.74	0.75
	L	0.45	0.51	0.71	0.69
4 kHz	R	0.39	0.17	0.43	0.48	0.46	0.57
	L	0.21	0.41	0.29	0.65	0.52	0.47
Gibson score (cutoff point at 7):
1 kHz	R	0.51	0.41
	L	0.60	0.51
2 kHz	R	0.46	0.31	0.78	0.70
	L	0.41	0.50	0.70	0.69
4 kHz	R	0.42	0.16	0.43	0.46	0.47	0.54
	L	0.17	0.43	0.22	0.64	0.44	0.55

*Significant correlations with a coefficient above 0.5 were in boldface.