Table 3. Comparison of electrophysiological data in patients with celiac disease and controls.
Celiac disease (n = 20) | Controls (n = 20) | Mann-Whitney | Effect size | ||||
median | (25th-75th quartile) | median | (25th-75th quartile) | U | p< | Cohen's d | |
rMT | 35.0 | (34.0–41.5) | 37.0 | (32.0–40.0) | 194.5 | NS | 0.070 |
CSP, ms | 78.0 | (61.5–100.0) | 125.0 | (69.5–160.0) | 117 | 0.025 | −0.872 |
MEP latency, ms | 18.6 | (18.2–19.7) | 19.3 | (18.5–20.2) | 151 | NS | −0.428 |
CMCT | 5.9 | (4.5–6.3) | 5.8 | (5.6–6.6) | 168 | NS | −0.368 |
CMCTF | 4.8 | (4.5–5.6) | 5.3 | (4.2–5.7) | 175 | NS | −0.148 |
A ratio | 0.2 | (0.2–0.5) | 0.5 | (0.3–0.7) | 88.5 | 0.0026 | −0.653 |
F amplitude, µV | 0.1 | (0.1–0.2) | 0.1 | (0.1–0.2) | 179.5 | NS | 0.627 |
rMT = resting motor threshold; CSP = cortical silent period; MEP = Motor Evoked Potentials; CMCT = central motor conduction time; CMCTF = central motor conduction time estimated by F wave; A ratio = amplitude ratio.