Table 2.

Correlation Between Conventional and Simple Mean Nocturnal Baseline Impedance Values in All Channels (N = 100)

Channel	Correlation		Absolute values (median)
	Correlation coefficient	P-value	Simple MNBI	Conventional MNBI	P-value
At 17 cm	0.85	< 0.001	2698	2671	0.668
At 15 cm	0.80	< 0.001	2295	2332	0.985
At 9 cm	0.86	< 0.001	2155	2270	0.755
At 7 cm	0.90	< 0.001	2311	2461	0.526
At 5 cm	0.95	< 0.001	2304	2350	0.702
At 3 cm	0.95	< 0.001	2258	2193	0.829

MNBI, mean nocturnal baseline impedance.