| Control n = 37 | At-risk n = 8 | LE n = 11 | NSAP n = 16 |
---|---|---|---|---|
 | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD |
Needle-detected MUPs | Â | Â | Â | Â |
Amplitude (μV) | 491.1 ± 300.7* | 444.1 ± 233.4 | 519.0 ± 426.6†| 420.9 ± 282.4**‡ |
Duration (ms) | 7.64 ± 2.85* | 9.76 ± 2.99**‡ | 9.70 ± 3.16**‡ | 8.36 ± 2.68**†|
Number of Phases | 2.55 ± 0.71* | 2.72 ± 0.77 | 2.63 ± 0.81 | 2.74 ± 0.82** |
AAR (ms) | 1.27 ± 0.43* | 1.43 ± 0.39**▫ | 1.62 ± 0.59**†▫▫ | 1.34 ± 0.43**‡ |
Mean MU Firing rate (Hz) | 14.98 ± 2.97* | 14.73 ± 3.04 | 13.86 ± 2.71** | 14.53 ± 2.68** |
Surface-detected MUPs | Â | Â | Â | Â |
Amplitude (mV) | 113.73 ± 90.73* | 91.28 ± 49.45** | 111.14 ± 109.53†| 65.75 ± 41.58**‡ |
Area (mVms) | 593.9 ± 507.4* | 424.4 ± 230.1** | 502.7 ± 518.7†| 273.7 ± 182.6**‡ |
Duration (ms) | 19.76 ± 5.52* | 19.69 ± 4.54†| 19.21 ± 5.93 | 17.25 ± 5.21**‡ |