Air pollutants and the admission rate of psychiatric patients

Abstract
The correlation between mean daily levels of several air pollutants and the number of emergency room visits and inpatient admissions to a psychiatric hospital in St. Louis [Missouri, USA] during 1 summer and fall was studied. NO2 and CO showed a positive correlation with emergency room visits by all patients, and NO2 also had a positive correlation with inpatient admissions of subjects with diagnoses that were unknown or could not be specified as psychotic. No showed a negative correlation with inpatient admissions during working days (but not during weekends and holidays) for all patients, and for those with diagnoses that were unknown or could not be specified as psychotic.

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