Examined nerve | NCS item | Studied nerves in the SLE group n=74 (mean±SD) | Healthy subjects n=36 (mean±SD) | P value |
Median | MDL | 3.43±0.42 | 3.21±0.26 | 0.006 |
MAmp | 11.40±4.37 | 13.38±3.52 | 0.020 | |
MNCV | 60.93±7.90 | 70.83±5.96 | 0.000 | |
SDL | 2.94±0.47 | 2.30±0.21 | 0.000 | |
SAmp | 19.99±13.44 | 36.43±18.93 | 0.000 | |
SNCV | 48.94±7.92 | 61.16±5.99 | 0.000 | |
F-wave latency | 25.21±1.93 | 23.68±1.54 | 0.000 | |
Ulnar | MDL | 2.76±0.38 | 2.56±0.30 | 0.004 |
MAmp | 9.51±2.46 | 8.76±2.58 | 0.144 | |
MNCV | 64.11±7.80 | 77.06±7.20 | 0.000 | |
SDL | 2.59±0.41 | 2.04±0.21 | 0.000 | |
SAmp | 15.20±9.50 | 30.56±14.31 | 0.000 | |
SNCV | 55.72±8.84 | 68.82±6.86 | 0.000 | |
F-wave latency | 26.03±2.04 | 24.94±1.64 | 0.026 | |
Tibial | MDL | 4.91±1.13 | 3.52±0.59 | 0.000 |
MAmp | 11.41±5.37 | 14.86±5.72 | 0.003 | |
MNCV | 41.44±7.66 | 48.76±4.54 | 0.000 | |
F-wave latency | 46.99±7.12 | 45.38±2.66 | 0.600 | |
Peroneal | MDL | 3.98±0.82 | 3.53±0.58 | 0.005 |
MAmp | 4.75±2.93 | 5.43±2.68 | 0.219 | |
MNCV1 | 47.51±6.30 | 53.93±6.37 | 0.000 | |
MNCV2 | 62.33±19.64 | 61.28±13.16 | 0.970 | |
Sural | DL | 3.45±1.28 | 3.10±0.45 | 0.003 |
Amp | 10.43±8.73 | 19.13±11.03 | 0.000 | |
NCV | 39.58±16.70 | 46.70±6.68 | 0.000 |
Student’s t-test was applied.
Amp, amplitude; DL, distal latency; MAmp, motor amplitude; MDL, motor distal latency; MNCV1, common peroneal nerve motor nerve conduction velocity stimulation at the ankle; MNCV2, common peroneal nerve conduction velocity stimulation at the fibular neck head; MNCV, motor nerve conduction velocity; n, number of each nerve examined; NCS, nerve conduction studies; NCV, nerve conduction velocity; SAmp, sensory amplitude; SDL, sensory distal latency; SNCV, sensory nerve conduction velocity.