Polycythemia of stress in psychiatric hospital populations

The admitting hemoglobin and hematocrit of 226 male patients in 3 Chicago hospitals was compared to the same values for 128 male graduate students and employees of the same institutions. Know current medical disorders were considered reason for exclusion from the study. The criteria for polycythemia of stress was both hemoglobin in the range of 16–18 g.% and hematocrit in the range of 50–56 per cent. The patient population showed an incidence of 19⋯0 per cent cases copared to 7 per cent for the controls ( p