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. Author manuscript; available in PMC: 2016 Apr 1.

Published in final edited form as: J Diabetes Complications. 2015 Feb 3;29(3):372–377. doi: 10.1016/j.jdiacomp.2015.01.011

Table 4.

Coefficient of Determination (R²) Comparing Neuropathy Scales to IENFD and Electrophysiology

	Small Fiber Function				Large Fiber Function

	IENFD (Distal Leg)	IENFD (Thigh)	QSART		CDT	Sural SNAP Amp.	Fibular MCV	VDT
	IENFD (Distal Leg)	IENFD (Thigh)	Distal Leg	Foot	CDT	Sural SNAP Amp.	Fibular MCV	VDT
mTCNS	0.0028 (P=0.686)	0.0150 (P=0.360)	0.0079 (P=0.687)	0.0956 (P=0.117)	0.0009 (P=0.907)	0.0370 (P=0.096)	0.0642 (P=0.032)	0.1530 (P=0.048)
TNSc	0.0300 (P=0.186)	0.0116 (P=0.421)	0.0078 (P=0.688)	0.2020 (P=0.019)	0.0080 (P=0.724)	0.2320 (P<0.001)	0.1870 (P<0.001)	0.3540 (P=0.001)
NISLL	0.0000 (P=0.996)	0.0003 (P=0.898)	0.0686 (P=0.227)	0.2420 (P=0.011)	0.0242 (P=0.551)	0.2120 (P<0.001)	0.2780 (P<0.001)	0.3360 (P=0.002)
ENS	0.0049 (P=0.594)	0.0044 (P=0.620)	0.0920 (P=0.159)	0.2350 (P=0.010)	0.0081 (P=0.722)	0.1940 (P<0.001)	0.2120 (P<0.001)	0.4050 (P<0.001)
UENS	0.0018 (P=0.751)	0.0037 (P=0.647)	0.1030 (P=0.135)	0.1910 (P=0.023)	0.0003 (P=0.942)	0.1590 (P<0.001)	0.2490 (P<0.001)	0.3250 (P=0.002)
MDNS	0.0002 (P=0.923)	0.0005 (P=0.871)	0.1020 (P=0.137)	0.2670 (P=0.006)	0.00133 (P=0.886)	0.249 (P<0.001)	0.3220 (P<0.001)	0.3100 (P=0.003)
NDS	0.0044 (P=0.643)	0.0016 (P=0.785)	0.0017 (P=0.850)	0.1440 (P=0.051)	0.0343 (P=0.462)	0.1790 (P<0.001)	0.2690 (P<0.001)	0.3630 P=(0.001)

IENFD = intraepidermal nerve fiber density, QSART = quantitative sudomotor axon reflex test, CDT = cold detection threshold,

SNAP Amp. = sensory nerve action potential amplitude, MCV=motor conduction velocity, VDT = vibration detection threshold.