Table 1—

Summary of root mean square (RMS) of genioglossus electromyogram (EMGgg) activity

		Obstructive events						Optimal cpap
Subjects	EMGgg max.	Baseline	5 Hz	% change	Baseline	30 Hz	% change	Baseline	5 Hz	% change	Baseline	5 Hz	% change
1	0.76	0.070	0.067	−2.0	0.060	0.059	−1.0	0.030	0.030	−2.0	0.035	0.035	0
2	1.00	0.050	0.049	−1.3	0.044	0.044	0	0.036	0.040	2.0	0.040	0.041	1.8
3	0.76	0.060	0.060	0.4	0.051	0.050	−0.2	0.024	0.024	−0.4	0.024	0.025	6.0
4	0.63	0.051	0.051	0.46	0.045	0.043	−5.0	0.040	0.040	−0.4	0.041	0.039	−3.9
5	0.63	0.092	0.088	−6.0	0.097	0.097	0.4	0.070	0.070	0	0.069	0.069	−0.9
6	0.67	0.065	0.065	0.17	0.065	0.067	4.0	0.046	0.046	0	0.046	0.046	0.35
7	0.45	0.063	0.055	−11.0	-	-	-	0.055	0.053	−4.0	0.053	0.050	−4.0
Mean	0.702	0.064	0.061	−2.750	0.060	0.061	−0.300	0.043	0.043	−0.610	0.044	0.043	−0.030

RMS EMGgg is expressed in arbitrary units
CPAP: conditions positive airway pressure