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Table 5 Longitudinal analysis of impairments scale and ERD of 2 ALS patients

From: The correlation between motor impairments and event-related desynchronization during motor imagery in ALS patients

ALS M Lt U/E MMT Rt U/E MMT Bulbar scale ADL (limb scale) Lt hand imagery Rt hand imagery
       ERD at C3 F ERD at C4 F ERD at C3 F ERD at C4 F
1 30 11 13 20 17 80 19 57 15 86 17 61 8
  31 11 11 18 17 93 12 75 13 89 26 80 12
  34 11 11 12 6 88 9 91 13 93 26 90 16
mean 31.7 11 11.7 16.7 13.3 87 13.3 74.3 13.7 89.3 23 77.0 12
SD 2.1 0.0 1.2 4.2 6.4 6.6 5.1 17.0 1.2 3.5 5.2 14.7 4.0
2 6 6 6 38 14 76 18 72 14 64 12 71 15
  11 4 6 38 6 58 9 60 8 58 8 58 9
  14 4 4 27 3 77 10 75 9 66 8 82 8
mean 10.3 4.7 5.3 34.3 7.7 70.3 12.3 69 10.3 62.7 9.3 70.3 10.7
SD 4.0 1.2 1.2 6.4 5.7 10.7 4.9 7.9 3.2 4.2 2.3 12.0 3.8
  1. Impairments scale and ERD of 2 ALS patients.
  2. Abbreviations: M, disease duration (month); U/E MMT, upper extremities MMT; ERD at C3/4, ERD at C3/4 (%); F, frequency (Hz).