Analysis of data obtained from discrete variables requires the use of specific statistical tests which are different from those used to assess continuous variables (such as cardiac output, blood pressure, or PaO 2) which can assume an infinite range of values.
Primary symptoms of dengue appear three to 15 days after the mosquito bite and include the following: 1  high fever and severe headache, 2  with severe pain behind the eyes that is apparent when trying to move the eyes.
The most common symptoms of mononucleosis are fever, sore throat, swollen glands (lymph nodes), and fatigue. Symptoms usually develop between four to six weeks after exposure to the EBV. Other signs and symptoms of mononucleosis may include the following: 1  headache, 2  rash, 3  malaise,  loss of appetite,