The collection of<unk>  data may be useful in addressing public health issues. Certain<unk> s are more common in certain settings and among certain populations. Fatigue has been reported as one of the ten most common reasons for seeing a physician. In acute care settings, such as emergency rooms, reports of chest pain are among the most common<unk> s. The most common<unk>  in ERs has been reported to be abdominal pain. Among nursing home residents seeking treatment at ERs, respiratory symptoms, altered mental status, gastrointestinal symptoms, and falls are the most commonly reported.
Chief complaint
History of the present illness
Accident-proneness
Indication 
Risk factor
Tolerated illness
History of neuroscience
Deemed status