Table 3.

Comparison of Motor Nerve Amplitude Before and After Nusinersen Treatment in SMA Patients

Nerve	Location	Side	Amplitude(mV)Median (P25, P75)			Kruskal–Wallis Test Statistic H-value	p
			T0 (n=42)	T6 (n=42)	T14 (n=21)
Median Nerve	Distal	Right	6.115(3.9,9.2)	6.075(4.6,8.3)	5.710(4.3,7.7)	0.148	0.928
		Left	4.570(3.1,8.4)	5.740(3.3,8.5)	6.420(3.7,10.1)	1.693	0.429
	Proximal	Right	5.080(3.0,7.8)	5.120(3.7,7.6)	4.800(3.4,6.1)	0.251	0.882
		Left	4.070(2.3,6.6)	4.950(2.2,6.9)	4.700(3.3,7.5)	1.505	0.471
Ulnar nerve	Distal	Right	2.065(1.2,4.9)	2.495(0.9,4.3)	2.040(1.5,4.3)	0.014	0.993
		Left	1.985(1.0,4.0)	2.160(1.1,4.9)	2.230(1.5,4.2)	0.532	0.767
	Proximal	Right	2.360(1.0,4.8)	2.355(1.3,4.5)	1.930(1.0,3.6)	0.526	0.769
		Left	1.955(0.9,4.7)	2.240(1.1,4.8)	2.180(1.2,3.6)	0.154	0.926
Axillary nerve		Right	4.480(1.6,7.0)	4.420(2.0,8.3)	3.590(2.5,4.5)	1.329	0.514
		Left	3.235(1.7,6.8)	3.170(1.9,8.4)	3.270(2.0,4.4)	0.535	0.765
Common peroneal nerve	Proximal	Right	2.450(0.9,4.4)	3.195(1.1,4.9)	2.200(0.7,3.4)	1.736	0.42
		Left	2.665(1.7,4.5)	2.620(1.3,4.3)	1.840(0.9,3.7)	2.558	0.278
	Distal	Right	2.375(1.0,4.5)	3.825(1.4,5.3)	1.770(0.8,3.6)	2.028	0.363
		Left	2.820(1.0,5.1)	2.695(1.1,4.4)	1.820(0.9,2.7)	2.417	0.299
Tibial nerve	Proximal	Right	1.630(0.9,4.2)	1.995(0.8,4.2)	1.790(0.5,4.2)	0.158	0.924
		Left	1.565(0.5,5.2)	1.770(0.7,4.4)	1.520(0.4,2.7)	0.865	0.649
	Distal	Right	2.705(1.3,5.6)	2.870(1.1,5.6)	2.030(1.1,4.4)	0.52	0.771
		Left	2.200(0.8,6.4)	2.285(0.9,5.6)	2.170(1.1,4.9)	0.045	0.978
Femoral nerve		Right	0.415(0.2,1.0)	0.685(0.2,1.7)	0.970(0.2,2.0)	1.724	0.422
		Left	0.495(0.1,0.9)	0.675(0.2,1.2)	0.590(0.3,1.5)	1.746	0.418