Table 2 Shows the mean values, standard deviations and range of the conduction values in controls and CTS groups.
Controls (n = 60) | CTS (n = 165) | Mean ± 2 SDs of Controls | p* | |||
|---|---|---|---|---|---|---|
Mean ± SD | Range | Mean ± SD | Range | |||
D4M-D4U (ms) | 0.16 ± 0.14 | 0.0–0.45 | 1.39 ± 1.12 | 0.31–5.7 | 0.45 | 0.000 |
D2M-D5U (ms) | 0.18 ± 0.13 | 0.02–0.45 | 1.06 ± 0.83 | 0.24–4.1 | 0.45 | 0.000 |
D2M/D5U SNAPa ratio (μv) | 1.21 ± 0.36 | 0.61–2.3 | 0.80 ± 0.41 | 0.14–2.2 | 0.50 | 0.000 |
mSDL (ms) | 3.06 ± 0.22 | 2.7–3.5 | 4.04 ± 0.88 | 3.5–7.2 | 3.50 | 0.000 |
mSNCV (m/s) | 46.5 ± 2.91 | 40–52 | 36.1 ± 7.2 | 19.4–39.3 | 40.6 | 0.000 |
mSNAPa (μv) | 26 ± 9.0 | 10.8–44 | 16.3 ± 9.4 | 2.7–36 | 8 | 0.000 |
mMDL (ms) | 3.07 ± 0.35 | 2.3–4 | 4.6 ± 1.6 | 2.5–11.2 | 3.77 | 0.000 |
mMNCV (m/s) | 58.5 ± 3.1 | 52.2–67 | 56.4 ± 5.1 | 32.7–68 | 52.2 | 0.002 |
mCMAPa (mv) | 11.4 ± 3.2 | 5.2–20 | 8.7 ± 4.0 | 0.2–19 | 5 | 0.006 |
mTLI | 0.41 ± 0.038 | 0.33–0.56 | 0.29 ± 0.08 | 0.12–0.50 | 0.33 | 0.000 |
M-U LD (ms) | 0.35 ± 0.32 | -0.4–1.0 | 1.67 ± 1.58 | -0.1–8.23 | 0.99 | 0.000 |
M/U CMAPa ratio (mv) | 0.85 ± 0.25 | 0.33–1.78 | 0.72 ± 0.36 | 0.01–1.99 | 0.35 | 0.021 |