Early detection of peripheral neuropathy in patients with diabetes mellitus type 2

Table 3 Sensory nerve conduction studies of the upper and lower limbs in studied groups

Nerve	Group	Mean ± SD	F	p
Median sensory PL (ms)	Group 1	4.06 ± 1.07	0.293	0.747	P1	0.679
	Group 2	4.19 ± 0.78			P2	0.448
	Group 3	4.29 ± 1.00			P3	0.729
Median sensory SNAP amplitude (μV)	Group 1	12.97 ± 2.41	24.558	0.001*	P1	0.006*
	Group 2	10.61 ± 0.87			P2	0.001*
	Group 3	9.13 ± 1.61			P3	0.010*
Median sensory CV (m/s)	Group 1	31.25 ± 3.52	12.502	0.001*	P1	0.043*
	Group 2	29.31 ± 3.02			P2	0.001*
	Group 3	26.45 ± 2.55			P3	0.007*
Ulnar sensory PL (ms)	Group 1	4.10 ± 0.50	1.281	0.286	P1	0.272
	Group 2	4.30 ± 0.55			P2	0.126
	Group 3	4.38 ± 0.64			P3	0.658
Ulnar sensory SNAP amplitude (μV)	Group 1	17.55 ± 2.13	315.160	0.001*	P1	0.001*
	Group 2	9.46 ± 1.34			P2	0.001*
	Group 3	5.41 ± 0.97			P3	0.001*
Ulnar sensory CV (m/s)	Group 1	46.26 ± 5.01	123.668	0.001*	P1	0.001*
	Group 2	38.78 ± 3.27			P2	0.001*
	Group 3	22.25 ± 6.12			P3	0.001*

PL peak latency, SNAP sensory nerve action potential, CV conduction velocity, (ms) millisecond, (μV) microvolt, (m/s) meter per second, P1 post hoc significance between group 1 and 2, P2 post hoc significance between group 1 and 3, P3 post hoc significance between group 2 and 3
* means statistically significant