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Table 3. Diagnostic Characteristics for Different Periods of tcMEP Loss for Postoperative Paraplegia and Spinal Cord Infarction

Four different tcMEP reduction times are shown and their corresponding predictive powers for paraplegia and spinal cord infarction at 72 h after ischemic manipulations.Paraplegia = Tarlov 0; infarction > 20%= more than 20% infarction of the total gray matter volume of the lumbosacral spinal cord; critical > 30, 60 = reduction of tcMEP for more than 30, 60 min; absent > 30, 60 = complete loss of tcMEP for more than 30, 60 min; PPV = positive predictive value; NPV = negative predictive value.

Table 3. Diagnostic Characteristics for Different Periods of tcMEP Loss for Postoperative Paraplegia and Spinal Cord Infarction
Table 3. Diagnostic Characteristics for Different Periods of tcMEP Loss for Postoperative Paraplegia and Spinal Cord Infarction
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