Research Article

CPAP Treatment Partly Normalizes Sleep Spindle Features in Obstructive Sleep Apnea

Table 3

values of the hemispheric right-left comparisons of the bilateral and unilateral spindle frequencies and unilateral densities in the different study groups.

Controls Pre-CPAPCPAP

First part of the NREM time
Density
 Fp2 versus Fp10.5750.0440.550
 C4 versus C30.0300.7370.156
Frequency
 Bil Fp2 versus bil Fp10.7170.8090.070
 Fp2 versus Fp10.1260.0350.014
 Bil C4 versus bil C30.5880.2350.064
 C4 versus C30.1730.1450.794
Last part of the NREM time
Density
 Fp2 versus Fp10.6010.0060.048
 C4 versus C30.4690.4780.502
Frequency
 Bil Fp2 versus bil Fp10.7170.6580.225
 Fp2 versus Fp10.4440.2250.313
 Bil C4 versus bil C30.4440.0970.896
 C4 versus C30.3650.0820.911

Numbers refer to values based on the Wilcoxon test.