Table 2.

Postoperative motor outcome and intraoperative findings.

Variable	Value	%
MEP reversible reduction (TES)
Yes	21	4.5
No	441	95.4
MEP reversible reduction (DCS)
Yes	36	7.8
No	426	92.2
MEP irreversible reduction (TES)
Yes	74	16
No	388	84
MEP irreversible reduction (DCS)
Yes	10	2.2
No	452	97.8
Preop MRC score
5	437	94.5
4	25	4.5
MRC score reduction at 5 days
Mild (reduction ≤1)	19	4
Severe (reduction >1)	11	2.4
MRC score reduction at 1 month
Mild (reduction ≤1)	2	0.4
Severe (reduction >1)	7	1.5