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Table 3 Needle- and Surface-Detected MUP morphology measures.

From: Assessing motor deficits in compressive neuropathy using quantitative electromyography

  

Needle-detected MUPs

Surface-detected MUPs

Group

Pk-Pk Amplitude (μV)

Duration (ms)

No. of Turns

No. of Phases

Amplitude (mV)

Neg Pk Area (mVms)

Duration (ms)

Control

410.9 (299.8-490.2)†

6.8 (5.6-9.0)†

3.3 (2.9-3.8)

2.6 (2.3-2.8)

151.0 (123.0-172.0)

263.0 (226.4-321.0)

27.5 (23.5-30.7)

Mild CTS

482.9 (448.1-589.4)†

7.3 (6.4-9.8)†

3.3 (2.9 -3.7)

2.7 (2.2-2.8)

213.5 (104.3-289.3)

341.3 (162.4-467.5)

26.1 (22.2-29.4)

Severe CTS

690.9 (561.4-821.2)*

10.5 (8.2-12.6)*

3.8 (3.1-4.1)

3.0 (2.8-3.5)

284.0 (129.8-420.3)

519.0 (237.0-790.0)

34.2 (28.7-38.7)

  1. Medians and interquartile ranges are presented. * denotes a significant difference from parameters notated with †, Pk-Pk= peak-to-peak; Neg Pk = negative peak