Table 3.

Comparisons between Unoperated, PEG, and Negative Control axons at 7, 21, and 42d PO based on Students T test and Cohen’s size effect d of the magnitude of difference between means (See Methods).

Comparison			Axon Diameter			g ratio
Single cut-distal			T test	Size Effect	T test		Size Effect
7-14d PEG	vs	Unop	p <0.001	d = 0.65	p <0.001		d =0.75
7-14d PEG	vs	7-14d NC	–	–	–		–
7-14d NC	vs	Unop	–	–	–		–
21d PEG	vs	Unop	p <0.001	d = 0.33	p < 0.001		d = 1.36
21d PEG	vs	21d NC	p < 0.001	d = 1.12	p < 0.001		d = 0.76
21d NC	vs	Unop	p <0.001	d = 1.75	p < 0.001		d = 2.62
42d PEG	vs	Unop	p <0.001	d = 0.72	p <0.001		d = 1.25
42d PEG	vs	42d NC	p <0.001	d = 0.82	p < 0.001		d = 0.65
42d NC	vs	Unop	p < 0.001	d = 1.48	p < 0.001		d = 0.44