Results
During the study, 1,625 persons were seen in the PED,
and 259 were taken to the observation room; 16% of the
patients remained under observation, and only 9.4% were
hospitalized. Of the eligible patients, 13 were discharged
during the night, before the authors visited to the PED in
the morning and were not included. Therefore, the final
sample was composed of 110 subjects (Figure 1).