Table V.

Boxer T8 motor root morphometric measurement results from 5 unaffected and 8 affected (two grade 1, three grade 2, one grade 3, and two grade 4) dogs.

Boxer T8 Motor Roots	Unaffected	Affected	P value
Number of dogs	5	8
Average count of axons	4,697 ± 827	4,140 ± 1,104	0.35
Average endoneural CSA* (μrn2 )	443,654.10 ± 94,990.21	464,871.30 ± 124,963.56	0.75
Average area occupied by axons (μm2)	267,532.55 ± 69,695.82	269,769.55 ± 62814.24	0.95
% of endoneural area occupied by axons	60.3 % ± 8.5%	59.1% ± 9.8%	0.83
Average axon density (count/mm2 )	10,850.21 ± 2,368.04	9,039.09 ± 2,143.59	0.22

^*CSA = Cross sectional area