. 2020 Dec 10;10:21770. doi: 10.1038/s41598-020-78787-0

Table 2.

NCS Parameter from studies^{19,24,26–28,30,32–35}.

Study	Group	N	Peroneal motor nerve conduction velocity (PMNCV) (m/s)	Sural sensory nerve conduction velocity (SSNCV) (m/s)	Sural sensory nerve amplitude (SSNamp) (μV)	Peroneal motor nerve amplitude (PMNamp) (μV)
Ahmed et al.¹⁹	Control	64	48 ± 3	51 ± 5	18 ± 8	6 ± 2
	No-DSPN	56	43 ± 3	46 ± 4	11 ± 5	6 ± 2
	DSPN	33	36 ± 5	40 ± 3	2 ± 2	2 ± 1
Petropoulos et al.²⁴	Control	55	48.8 ± 3.3	51.0 ± 4.8	20.0 ± 9.7	5.2 ± 1.8
	No-DSPN	86	43.7 ± 4.7	46.4 ± 5.8	12.5 ± 7.8	4.5 ± 3.2
	DSPN	100	39.2 ± 6.1	42.2 ± 6.4	6.5 ± 6.6	2.4 ± 2.1
Quattrini et al.²⁶	Control	15	45.71 ± 0.99	46.52 ± 1.87	20.25 ± 3.76	4.27 ± 0.64
	No-DSPN	10	44.15 ± 0.79	42.99 ± 1.42	14.44 ± 2.36	4.26 ± 0.59
	DSPN	44	37.36 ± 3.72	38.67 ± 2.99	4.94 ± 1.62	1.99 ± 0.92
Sivaskandarajah et al.²⁷	Control	64	48.0 ± 3.5	50.8 ± 4.5	17.5 ± 8.5	6.4 ± 2.3
	No-DSPN	63	43.9 ± 2.3	46.4 ± 4.3	11.9 ± 5.1	5.9 ± 2.2
	DSPN	33	35.9 ± 8.0	35.2 ± 13.7	3.1 ± 2.1	2.6 ± 1.7
Tavakoli et al.²⁸	Control	17	49.26 ± 1.63	47.85 ± 2.62	18.62 ± 2.55	5.58 ± 1.02
	No-DSPN	34	44.60 ± 0.65	42.88 ± 0.92	13.74 ± 1.46	3.58 ± 0.28
	DSPN	67	38.37 ± 3.58	39.27 ± 2.60	5.64 ± 1.81	1.79 ± 0.50
Chen et al.³⁰	Control	26	49.1 ± 3.4	50.9 ± 3.9	19.7 ± 8.3	6 ± 2.4
	No-DSPN	46	43.9 ± 3.1	45.3 ± 5.2	12.5 ± 6.9	6.0 ± 8.3
	DSPN	17	31.0 ± 9.5	37.8 ± 6.8	4.3 ± 3.5	1.6 ± 1.6
Souza et al.³²	Control	51	50.08 ± 5.78	47.71 ± 6.66	18.59 ± 6.70	6.46 ± 2.97
	No-DSPN	50	45.76 ± 6.59	43.83 ± 6.13	14.29 ± 5.66	4.92 ± 3.40
	DSPN	52	38.9 ± 8.59	43.54 ± 11.86	10.59 ± 5.77	3.48 ± 2.42
Alam et al.³³	Control	27	49.2 ± 3.7	50.6 ± 2.0	20.2 ± 8.8	6.1 ± 2.4
	No-DSPN	30	45.5 ± 2.2	47.1 ± 4.1	15.1 ± 6.1	7.3 ± 9.7
	DSPN	31	35.4 ± 8.6	18.4 ± 12.2	5.5 ± 4.2	2.4 ± 2.1
Hussain et al.³⁴	No-DSPN	22	49.48 ± 4.03	56.39 ± 3.64	–	–
Hussain et al.³⁴	DSPN	64	38.14 ± 7.47	49.84 ± 7.62	–	–
Weisman et al.³⁵	No-DSPN	84	45.0 ± 3.26	47.2 ± 5.04	9.6 ± 5.55	6.37 ± 2.58
Weisman et al.³⁵	DSPN	25	41.2 ± 3.6	42.2 ± 5.10	5.74 ± 3.99	5.08 ± 2.95
Total	Control	292	48.57 ± 3.82	49.96 ± 5.10	18.67 ± 7.91	5.90 ± 2.25
	No-DSPN	468	44.40 ± 4.10	44.57 ± 10.20	11.00 ± 6.66	5.10 ± 3.77
	DSPN	471	37.80 ± 6.48	38.61 ± 13.72	5.88 ± 4.99	2.52 ± 1.95