Table 1 Outcome of electrophysiological examinations at baseline

From: Segmental motor recovery after cervical spinal cord injury relates to density and integrity of corticospinal tract projections

MEP

No recovery

Recovery

U

p

Amplitude (mV)

0 (0–0)

0.1 (0–0.627)***

2372

<0.0001

Score

0 (0–0)

2 (0–3)***

2294

<0.0001

SSEP

No recovery

Recovery

U

p

Amplitude (uV)

0 (0–1.175)

1 (0–1.838)***

5248

<0.0001

Score

0 (0–2)

2 (0–3)***

4972

<0.0001

NCS

No recovery

Recovery

U

p

CMAP amplitude (mV)

2.9 (0.6–5.050)

2.7 (0.835–6.450)

4879

0.316

F-wave persistence (%)

0 (0–40)

30 (0–75)**

4011

0.001

Score

1 (1–2)

2 (1–3)*

4487

0.0425

  1. ‘Recovery’ = a gain ≥ 1 in MMS at 48 weeks post-SCI, compared to baseline; ‘No recovery’ = no change or decline in MMS at 48 weeks post-SCI, compared to baseline. Data are median (25–75% percentile).
  2. ***p  <  0.001; **p  <  0.01; *p  <  0.05 Mann–Whitney test (two-sided).