From: Predictors of treatment with antibiotics and systemic corticosteroids for acute exacerbations of asthma and chronic obstructive pulmonary disease in primary care
OR (95%CI)
P-value
FEV1/FVC < 0.7 - yes vs no
3.7 (1.1-11.7)
0.03
Very bothersome dyspnea - yes vs no
2.9 (0.8-9.9)
0.09
Crackles - yes vs no
4.3 (1.3-14.0)
0.01
Oxygen saturation (SpO2) < 93% - yes vs no
5.7 (0.6-56.4)
0.1