To evaluate the diagnostic accuracy of clinical signs and symptoms, C-reactive protein (CRP) and spirometric parameters and determine their interrelation in patients suspected to have an obstructive airway disease (OAD) in primary care.
The added value of C-reactive protein to clinical signs and symptoms in patients with obstructive airway disease: results of a diagnostic study in primary care.
University Medical Hospital Heidelberg, Dept. of General Practice and Health Services Research, Heidelberg, Germany. antonius.schneider@med.uni-heidelberg.de