Table 4 Correlation between the flattening ratio and electro-diagnostic study parameters

Flattening ratio

Motor distal latency(ms) (3.6-8) 5.021 ± 1.351

0.63

0.0005

Motor amplitude(mv) (2–7) 4.346 ± 1.526

−0.69

< 0.0001

Motor nerve conduction velocity(m/s) (15-55) 38.33 ± 12.13

−0.59

0.0013

Sensory peak latency(ms) (3.3-6) 4.258 ± 0.756

0.36

0.042

Sensory amplitude(mv) (10–18) 14.42 ± 2.32

−0.24

0.1314

Sensory nerve conduction velocity(m/s) (15-40) 26.46 ± 7.29

−0.26

0.1099