Predictors of Increased Daytime Sleepiness in Patients with Chronic Obstructive Pulmonary Disease: A Cross-Sectional Study

Table 3

Forced-entry multiple linear regression, outcome variable = ESS (pts) ().

Model		SE		Sig.
Age		0.48		0.035
CAT		0.068		0.003
Nocturnal EE		0.002		0.627
Active EE during daytime		0.001		0.639
AHI	0.129	0.057	0.287	0.027

AHI: Apnea Hypopnea Index, : regression coefficient , CAT: COPD Assessment Test, EE: energy expenditure, and SE: Standard Error.