Table 1.

Expert Panel Results for Clinically Important Differences for the Modified Chronic Heart Failure Questionnaire (CHQ) and SF-36, Version 2.0

			Thresholds for Change in Scores
HQRoL Measure	Number of Items	Points per One Category Change	Minimal Change	Moderate Change	Large Change
CHQ domains
Activities	5	1	4	8	12
Fatigue	4	1	3	6	10
Emotional function	7	1	5	10	15
SF-36 scales
Physical function	10	5	15	25	35
Role physical	4	6.25	18.75	31.25	50
Bodily pain	2	10	20	40	60
General health	5	5	15	30	45
Vitality	4	6.25	18.75	37.5	56.25
Social function	2	12.5	25	50	75
Role emotional	3	8.33	16.7	33.3	50
Mental health	5	5	15	30	45

HQRoL, health-related quality of life.