【摘要】 对２００例首次发病住院的精神分裂症患者的胎次进行调查，分别采用单因素分析与Ｈａｌｄａｎｅ和Ｓｍｉｔｈ法进行分析。结果发现，７７％患者胎次为第２胎或以上，Ｈａｌｄａｎｅ和Ｓｍｉｔｈ法分析Ｃ值２．０６＞２，Ｐ＜０．０１，提示精神分裂症的发生和胎次的效应非常显著，说明胎次高者发生精神分裂症的风险较大。更多还原

【Abstract】 Abstract Investigation of birth order in 200 schizophrenic paticnts who admitted first time has been made. We suggested that there was a very significent relationship between schizophrenia and birth order.It has high risk to occur schizoph renic in them whose birth order in high.更多还原