Compared the group of psychosis family history with that of nonpsychosis one there are significant differences in frequences of loop, ulnar loop whorl and simple whorl in male.

• 在男患者中,有精神疾病家族史组与无精神疾病家族史组,其箕、尺箕斗和简斗频率的比较,也具有显著性差异。