Table 4.

Bi- and multivariate analysis of patient characteristics associated with oral antibiotic treatment failure.

Exacerbation characteristic	Estimated odds ratio	95% CIs	p-value
Baseline FEV1% predicted < 75% +	2.00	1.24 – 3.21	0.0043
Low SES	1.75	1.08 – 2.82	0.022
Baseline FEV1% predicted < 75% +	1.99	1.23 – 3.20	0.0049
Low SES +	1.83	1.13 – 2.97	0.015
Female	1.61	0.98 – 2.63	0.059
Low SES +	1.74	1.08 – 2.80	0.023
Female	1.62	1.00 – 2.64	0.052
Hx of Pa +	2.11	1.27 – 3.50	0.004
Low SES	1.64	1.02 – 2.64	0.043
CFRD +	1.85	1.00 – 3.43	0.05
Low SES	1.67	1.04 – 2.68	0.034
ABPA +	4.06	1.45 – 11.35	0.0075
Low SES	1.73	1.07 – 2.78	0.025
Time since the last exacerbation +	1.00	0.99 – 1.00	0.0045
Baseline FEV1% predicted < 75%	1.80	1.11 – 1.06	0.017
Low SES +	1.70	2.73 – 2.93	0.029
Home > 100 miles from OHSU	0.91	0.50 – 1.66	0.75
Drop in FEV1% predicted > 10% +	1.14	0.67 – 1.94	0.63
Baseline FEV1% predicted < 75%	1.91	1.20 – 3.06	0.0069
Hx of MRSA +	1.36	0.79 – 2.34	0.26
Female gender	1.53	0.95 – 2.48	0.082
CFRD +	1.67	0.89 – 3.13	0.11
Female gender	1.43	0.87 – 2.34	0.16
Hx of MRSA +	1.34	0.78 – 2.30	0.3
CFRD	1.81	0.98 – 3.34	0.06
BMI <20 +	1.92	0.72 – 5.17	0.19
CFRD	2.89	1.19 – 7.04	0.019
BMI <20 +	1.71	0.65 – 4.50	0.28
Baseline FEV1% predicted < 75% +	2.02	0.66 – 6.14	0.22
Low SES	1.73	0.67 – 4.45	0.26
W-ile <50% +	2.52	0.92 – 6.92	0.072
Baseline FEV1% predicted < 75% +	2.39	1.28 – 4.44	0.0061
Low SES	1.66	0.93 – 2.97	0.086