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Table 2 Validity tests for platelet parameters and serum BChE activity regarding DKA prediction

From: Assessment of platelets morphological changes and serum butyrylcholinesterase activity in children with diabetic ketoacidosis: a case control study

Variable

AUC

Cut-off

PPV

NPV

Sensitivity

Specificity

MPV

0.713

>9.8 (fl)

56.7%

100%

100%

35%

PDW

0.798

>12.2 (fl)

63.2%

90.2%

93%

58%

Serum BChE activity

0.72

<5859 (U/l)

47.7%

32.9%

63.3%

71.7%

  1. MPV mean platelet volume; PDW platelet distribution width; BChE butyrylcholinesterase; fl femtoliter; AUC area under curve; PPV positive predictive value; NPV negative predictive value