Historically, despite the critical nature of the role of clinical importance in the interpretation of clinical trial results, journal editors have typically prompted authors to emphasize statistical significance over clinical importance when reporting their results.his lack of emphasis with respect to clinical importance led to frequent misconceptions and disagreement regarding the interpretation of clinical trial results, and the tendency to equate statistical significance with clinical importance.
types of viral infections probably the most common viral infections are respiratory infections infections of the nose throat upper airways and lungs the most common respiratory infections are upper respiratory infections which include sore throat sinusitis and the common cold
Bacterial or Viral Infections of the Respiratory Tract. Viral illnesses are the most common cause of upper respiratory symptoms. Symptoms of a viral illness often appear over several hours without prior illness. Common viral illnesses include colds and the flu (influenza). Bacterial respiratory tract infections are less common than viral infections. Bacterial infections may develop after a viral illness such as a cold or the flu. Bacterial infections may affect the upper or lower respiratory system, and symptoms tend to localize to one area. The most common sites of bacterial infections in the upper respiratory system are the sinuses and throat. Pneumonia is the most common bacterial infection of the lower respiratory system.