Table 5 Percentage of affection of electrophysiological comparative tests in early CTS hands
Technique | Percentage of affection in each group No. (%) | Abnormal cut-off | ||||||
|---|---|---|---|---|---|---|---|---|
MSPL | Group1 <3.7 | Group2 <3.6 | Group3 <3.5 | Group4 <3.4 | Group5 <3.3 | group6 <3.2 | group7 <3.1 | ≥ 3.7 |
Hands | 142 | 121 | 102 | 70 | 52 | 29 | 20 | Â |
MVR | 131 (92.9) | 111 (91.7) | 91 (89.2) | 62 (88.6) | 44 (84.6) | 24 (82.8) | 13 (65) | ≥ 0.4 |
MVU | 111 (78.2) | 96 (79.3) | 78 (76.5) | 47 (67.1) | 34 (65.4) | 14 (48.3) | 9 (45) | ≥ 0.5 |
LM-IN | 95 (67.4) | 70 (57.8) | 55 (53.9) | 40 (57.1) | 29 (55.7) | 10 (34.5) | 3 (15) | ≥ 0.5 |
Mix M-U | 121 (85.2) | 108 (89.2) | 87 (85.3) | 59 (84.3) | 41 (78.8) | 19 (65.5) | 11 (55) | ≥ 0.4 |