目前，l对KPD的诊断尚无统一标准。有些作者强调KPD应当符合以下条件：i①新发糖尿病患者；②无明显诱因出现DK或DKA；③胰岛自身抗体[胰岛细胞抗体(ICA)、iGAD-Ab等]阴性。而这些标准似乎更适合于酮症倾向的2型糖尿病的诊断。有些学者则主张，l只要诊断DKA的糖尿病患者即可纳入KPD的范畴，l再根据胰岛自身抗体和胰岛功能的情况进一步分型诊断。胰岛自身抗体阳性者诊断为lA型糖尿病，l抗体阴性者如胰岛功能较好则诊断为酮症倾向的2型糖尿病，l其余为抗体阴性的l型糖尿病。

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