Simple Measures of Function and Symptoms in Hospitalized Heart Failure Patients Predict Short-Term Cardiac Event-Free Survival

Table 2

Measures of function and symptoms.

Measure	Type	Brief Description
New York Heart Association (NYHA) Classification	Function and Symptoms	Class I: no symptoms or limitations in ordinary physical activity; Class II: mild symptoms and slight limitation in ordinary activity; Class III: symptoms cause marked limitation even during less than ordinary activity; Class IV: severe limitations; symptoms at rest
Home exercise	Function	“Do you exercise at home?”—yes/no
Katz Index of independence in activities of daily living (ADLs)	Function	Ability to perform six ADLs (bathing, dressing, toileting, transferring, continence, and feeding) independently
Short physical function battery (SPPB)	Function	Set of 3 tests (balance, gait speed, and chair stands) that objectively measure lower extremity physical function
Ambulation	Function	Direct continuous ambulation measurement via wireless accelerometers attached to lower extremity
Karnofsky performance status scale (KPS)	Function	Rating scale that assesses impact of health condition on ability to work and care for oneself
Symptom questions	Symptoms	Do you have the following symptoms—shortness of breath, fatigue, orthopnea, or lower extremity edema?—yes/no