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Table 2 The detail of different MEP baseline phenotypes

From: The prediction of intraoperative cervical cord function changes by different motor evoked potentials phenotypes in cervical myelopathy patients

Types

Amplitude (μV)

Latency (ms)

Stability

I

> 300

< 50

Excellent

II

> 300

> 50

Good

100–300

< 50

III

100–300

> 50

Moderate

IV

20–100

–

Poor

V

0–20

–

Indeterminate/High Risk

  1. The MEP types in this study aimed at unilateral baseline