Table 4.

Measurements of IENF and axonal swelling densities in PT skin biopsies.

	NS		DM		DN-P		DN-NOP
	Median	25-75%	Median	25-75%	Median	25-75%	Median	25-75%
PGP9.5+ IENFD (fiber/mm)	13.90	11.56-19.84	16.69	11.97-28.53	12.17$	7.20-16.3	11.01$	7.52-13.99
GAP43+ IENFD (fiber/mm)	11.22	7.90-15.21	11.73	5.43-14.60	9.99	5.32-14.05	0.41****$$$$####	0.32-0.58
GAP43/PGP	0.74	0.66-0.84	0.67	0.41-0.83	0.82$	0.75-0.88	0.03***$$$$####	0.03-0.06
Axonal swelling/PGP	1.20	0.46-2.65	4.29**	1.15-7.63	5.62***	2.55-8.07	2.16###	1.22-3.16

^**p < 0.01

^***p < 0.001

^****p < 0.0001; compared to NS.

^$p < 0.05

^$$$$p < 0.0001 compare to DM.

^###p < 0.001

^####p < 0.0001 compare to DN-P.