Predictors of treatment with antibiotics and systemic corticosteroids for acute exacerbations of asthma and chronic obstructive pulmonary disease in primary care

Table 3 Predictors for treatment with antibiotics during exacerbations in 84 patients with asthma or COPD using multivariable logistic regression

	OR (95%CI)	P-value
FEV₁/FVC < 0.7 - yes vs no	4.6 (1.3-17.1)	0.02
Bothersome or very bothersome phlegm	3.1 (0.5-18.3)	0.2
Prolonged expiration	2.2 (0.6-8.4)	0.2
C-reactive protein ≥ 8 mg/L - pos vs neg	4.3 (1.3-14.8)	0.02

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