Table 3.

Polysomnography parameters—quality of sleep (Substudy 2)

Patients (n = 5)	Pretreatment (Baseline)	Posttreatment (6 months)	p value
Objective parameters
Efficiency	66.2 ± 9.3	55.2 ± 18.3	.225
Waking up during sleep	124.3 ± 82.0	100.8 ± 60.9	.144
Sleep latency	33.6 ± 44.0	89.9 ± 112.1	.686
REM latency	164.1 ± 71.4	150.2 ± 78.4	.715
REM%	13.6 ± 8.5	11.6 ± 7.3	.144
N1%	18.0 ± 10.7	25.2 ± 16.2	.686
N2%	54.3 ± 8.5	47.6 ± 5.0	.043a
N3%	14.0 ± 8.4	15.7 ± 13.1	.686
Snoring (n/h)	184 ± 275.2	285 ± 295.9	.109
AHI	3.0 ± 3.2	4.6 ± 2.9	.593
Microawakenings	12.9 ± 5.6	10.0 ± 3.2	.225
PLM	15.0 ± 11.0	10.8 ± 12.0	.345
Baseline oximetry	94.4 ± 2.3	95.2 ± 2.1	.414
Mean oximetry	93.6 ± 2.4	94.2 ± 2.6	.461
Minimum oximetry	91.8 ± 2.5	89.0 ± 5.0	.194
CT90	0.6 ± 1.3	0.6 ± 0.6	.109
Subjective parameters
Epworth	5.6 ± 3.6	2.8 ± 1.7	.131
Subjective efficiency	66.7 ± 24.3	70.6 ± 23.2	.273
Pittsburg	10.2 ± 6.9	8.4 ± 6.0	.461
Fatigue scale	39.4 ± 15.2	37.4 ± 17.9	.465
Beck depression scale	9.4 ± 7.6	11.2 ± 7.6	.786
Hamilton anxiety scale	20.40 ± 12.6	19.0 ± 13.7	.485

Results in mean ± standard deviation.

N, Sleep stages; AHI, Apnea Hypopnea Index; PLM, periodic leg movement; CT90, oxygen saturation below 90%.

^a p < .05 indicate significant differences compared to baseline.