Table 2: Partial correlation coefficients (r) (after controlling pre-CPAP AHI).

Δ RDITensionDepressionFatigue ConfusionVigor

Tension−.57**
Depression−.67**.76**
Fatigue−.43*.62**.47*
Confusion−.52*.60**.69**.49*
Vigor.19−.21−.14−.45*−.09
Anger−.50*.75**.72**.57**.63**−.01

* P < 0.05, **P < 0.01.