Table 6

QoL-B questionnaire domains

	Mean difference (mild vs moderate)	p Value	Mean difference (moderate vs severe)	p Value
Respiratory symptoms (MCID=8)
BSI	−10.4 (3.0)	0.0006	−8.8 (2.6)	0.0009
FACED	−6.3 (2.5)	0.01	−2.9 (3.4)	0.4
Physical functioning (MCID=10)
BSI	−14.8 (4.8)	0.002	−20.7 (3.9)	<0.0001
FACED	−20.1 (3.7)	<0.0001	−4.5 (4.6)	0.3
Vitality (MCID=10)
BSI	−7.4 (3.2)	0.02	−6.8 (2.9)	0.02
FACED	−7.5 (2.6)	0.005	−2.2 (3.6)	0.5
Role functioning (MCID=8)
BSI	−11.1 (4.0)	0.006	−13.9 (3.5)	0.0001
FACED	−12.6 (2.2)	<0.0001	−8.8 (4.0)	0.03
Health perceptions (MCID=8)
BSI	−3.5 (3.5)	0.3	−8.6 (2.9)	0.003
FACED	−7.7 (2.7)	0.005	5.2 (4.0)	0.2
Emotional functioning (MCID=7)
BSI	−5.0 (3.3)	0.1	−6.1 (3.2)	0.05
FACED	−2.2 (2.9)	0.5	−1.2 (4.0)	0.8
Social functioning (MCID=9)
BSI	−5.0 (4.0)	0.2	−7.7 (3.7)	0.03
FACED	−7.6 (3.2)	0.02	1.6 (4.8)	0.7
Treatment burden (MCID=9)
BSI	−6.6 (4.9)	0.2	−5.8 (3.7)	0.1
FACED	−3.6 (3.6)	0.3	−2.2 (4.6)	0.6

Values show mean difference with SD for between-group differences. Differences that are statistically significant and above the MCID are shown in bold.
BSI, Bronchiectasis Severity Index; QoL-B, quality of life-bronchiectasis; MCID, minimum clinically important difference.