text_1: The combination of physical examinations with C-reactive protein values do not improve the accuracy of radiographic verified pneumonia predictions.
text_2: The optimal combination of clinical prediction items derived from our patients included absence of runny nose and presence of breathlessness, crackles and diminished breath sounds on auscultation, tachycardia, and fever, with an ROC area of 0.70 (0.65 to 0.75).