Objective To study plasma insulin level and insulin sensitivity of nondiabetic first-degree relatives of patients in familial non-insulin -dependent diabetes mellitus ( NIDDM ) pedigrees.

• 目的探讨家族性非胰岛素依赖型糖尿病(NIDDM)家系中非糖尿病（DM）一级亲属的血浆胰岛素水平及胰岛素敏感性。