Table-V.

Distrubution of sensory and motor nerve impairment in patients with abnormal SSR

	Sensory				Motor
	SSR normal	SSR abnormal	Total	p	SSR Normal	SSR abnormal	Total	p
Median nerve DL SNAP/CMAP CV	11(61.1%) 11(61.1%) 11(61.1%)	12(25.5%) 12(25.5%) 12(25.5%)	23(35.4%) 23(35.4%) 23(35.4%)	0.007 0.007 0.007	16(84.2%) 16(84.2%) 16(84.2%)	20(43.5%) 20(43.5%) 19(42.2%)	36(55.4%) 36(55.4%) 35(54.7%)	0.003 0.003 0.002
Ulnar nerve DL SNAP/CMAP CV	9(50%) 9(50%) 9(50%)	5(11.1%) 5(11.1%) 5(11.1%)	14(22.2%) 14(22.2%) 14(22.2%)	0.001 0.001 0.001	13(72.2%) 12(70.6%) 10(66.7%)	15(33.3%) 15(33.3%) 14(32.6%)	28(44.4%) 27(43.5%) 24(41.4%)	0.005 0.008 0.021
Tibial nerve DL CMAP CV	_	_	_	_	9(64.3%) 9(64.3%) 8(61.5%)	10(41.7%) 10(41.7%) 10(41.7%)	19(50%) 19(50%) 18(48.6%)	0.179 0.179 0.248
Peroneal nerve DL CMAP CV	_	_	_	_	10(71.4%) 10(71.4%) 10(71.4%)	9(37.5%) 9(37.5%) 8(34.8%)	19(50%) 19(50%) 18(48.6%)	0.044 0.044 0.031
Sural nerve DL SNAP CV	2(13.3%) 2(13.3%) 2(13.3%)	3(11.5%) 2(8%) 2(8%)	5(12.2%) 4(10%) 4(10%)	0.866 0.586 0.586	_	_	_	_

DL: distal latency (ms), CV: conduction velocity (m/s), SNAP: sensory nerve action potential (μV), CMAP: compound motor action potential (mV).