Table 3.

Associations with the frequent exacerbator phenotype.

Variable	Unadjusted Model			Adjusted Model
	OR	95% CI	p Value	OR	95% CI	p Value
Age	1.13	1.00–1.26	0.043	1.04	0.90–1.21	0.601
Smoking, pack years	0.97	0.95–1.00	0.046	0.98	0.95–1.01	0.106
Post-BD FEV1, %	0.99	0.95−1.03	0.683
WBC	1.10	0.94–1.29	0.228
Creatinine	2.34	0.22–25.1	0.483
FGF23	1.02	1.00–1.04	0.017	1.02	1.004–1.04	0.019
Suppl. Oxygen Use	4.09	1.19–14.1	0.026	4.85	1.18–19.9	0.028