From: Neurophysiological evaluation of juvenile systemic lupus erythematosus
Sensory conduction study | Studied children (n = 38) | Control group (n = 30) | T | P | |
---|---|---|---|---|---|
Median | Latency (ms) | ||||
Min. – Max | 2.0–2.90 | 1.40–3.30 | 0.341 | 0.734 | |
Mean ± SD | 2.47 ± 0.27 | 2.44 ± 0.45 | |||
Median | 2.42 | 2.40 | |||
Amplitude (µv) | |||||
Min. – Max | 11.0–168.0 | 20.70–65.0 | 1.729 | 0.089 | |
Mean ± SD | 55.90 ± 36.48 | 43.57 ± 15.58 | |||
Median | 37.85 | 46.50 | |||
Conduction velocity (m/s) | |||||
Min. – Max | 41.70–65.0 | 49.0–59.0 | 2.022* | 0.047* | |
Mean ± SD | 49.69 ± 6.29 | 52.27 ± 3.41 | |||
Median | 47.75 | 50.50 | |||
Ulnar | Latency (ms) | ||||
Min. – Max | 1.06–3.0 | 1.60–2.50 | 2.157* | 0.035* | |
Mean ± SD | 2.24 ± 0.34 | 2.08 ± 0.25 | |||
Median | 2.22 | 2.05 | |||
Amplitude (µv) | |||||
Min. – Max | 13.60–142.0 | 22.0–45.0 | 3.453* | 0.001* | |
Mean ± SD | 58.08 ± 34.24 | 35.97 ± 8.28 | |||
Median | 49.95 | 36.50 | |||
Conduction velocity (m/s) | |||||
Min. – Max | 39.70–62.50 | 49.0–64.0 | 1.831 | 0.072 | |
Mean ± SD | 50.51 ± 6.61 | 53.10 ± 4.54 | |||
Median | 49.05 | 51.50 | |||
Sural | Latency (ms) | ||||
Min. – Max | 2.20–4.0 | 1.70–3.30 | 4.648* | < 0.001* | |
Mean ± SD | 3.01 ± 0.43 | 2.48 ± 0.51 | |||
Median | 3.0 | 2.40 | |||
Amplitude (µv) | |||||
Min. – Max | 7.0–92.0 | 10.0–32.0 | 0.105 | 0.917 | |
Mean ± SD | 21.97 ± 19.08 | 21.17 ± 6.42 | |||
Median | 15.45 | 20.20 | |||
Conduction velocity (m/s) | |||||
Min. – Max | 10.60–53.90 | 44.0–55.0 | 5.217* | < 0.001* | |
Mean ± SD | 42.31 ± 6.51 | 49.40 ± 4.05 | |||
Median | 42.25 | 49.0 |