Table 5. Factor affecting QOL role.

MMRC: Modified Medical Research Council, CRP: C-reactive protein, BMI: body mass index, BSI: bronchiectasis severity index, CI: confidence interval; FACED: FEV1, age, colonization, extension, dyspnea; QOL: quality of life

	Simple linear regression			Multiple linear regression
	β coefficient	95% CI	p-Value	β coefficient	95% CI	p-Value
MMRC	-7.70	-13.48 to -1.92	0.010	7.09	-2.69 to 16.88	0.150
6-minute walk test	0.11	0.06 to 0.17	<0.001	0.12	0.01 to 0.23	0.028
CRP	-0.89	-2.88 to 1.09	0.369	0.97	-1.24 to 3.17	0.379
FEV1	0.45	0.15 to 0.75	0.005	0.17	-0.31 to 0.65	0.479
BMI	1.85	-0.46 to 4.12	0.108	-1.24	-3.95 to 1.48	0.361
Colonization	-4.77	-0.18 to 9.02	0.489	4.48	-11.46 to 20.42	0.572
FACED	-4.66	-7.58 to -1.75	0.002	-0.80	-7.01 to 5.40	0.794
BSI	-2.16	-3.29 to -1.02	<0.001	-1.74	-4.20 to 0.71	0.157