Study group background characteristics. by Zicheng Hu (3825313)

“…The <b><i>NSE</i></b> group sampling also reflected later recognition and attention to this clinical entity. <b>C</b>. <b>Age</b>. The ages of the subjects were not specifically selected and consequently also varied among groups, with group medians ranging from 39 to 50 years with largely similar ranges. …”