Table 2.

VNS and response to positive airway pressure adjusstment^a

Subject	VNS activationa		PAP treatmenta
	VNS Amplitude (mA), Frequency (Hz)	VNS AHI	Non VNS AHI Baseline	Non VNS AHI with PAP
1	2 mA, 10 Hz	22.6	27.3	12
	1.5 mA, 10 Hz	6.4
	1 mA, 10 Hz	1.4
	Off	1.3
2	Not titrated		13.8	4
3	2.25 mA, 10 Hz	13.8	0.8	n/a
	1.75 mA, 10 Hz	5.9
	1.25 mA, 10 Hz	2.4
	Off	0
4	1.75 mA, 10 Hz	20	23.5	17.8
	1.25 mA, 10 Hz	7.8
	Off	0

Abbreviations: VNS: vagus nerve stimulation; PAP; positive airway pressure.

^aVNS titration and PAP treatment were performed on the same sleep studies but sequential in timing.