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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