Table 4.

Myelin thickness in micrometers.

	Ipsilateral						Contralateral
	INT  n = 30	IWT  n = 30	IWOT  n = 30	INT vs IWT	INT vs IWOT	IWOT vs IWT	INT  n = 30	IWT  n = 30	IWOT  n = 30	INT vs IWT	INT vs IWOT	IWOT vs IWT
200 µm RFI	39 ± 11.3 µm	22 ± 5.7 µm	13.7 ± 5.8 µm	p < 0.001	p < 0.001	p < 0.001	38 ± 5.6 µm	23.5 ± 8 µm	10.8 ± 4 µm	p < 0.001	p < 0.001	p < 0.001
IS	40 ± 10.9 µm	21.8 ± 6 µm	10.5 ± 3.6 µm	p < 0.001	p < 0.001	p < 0.001	41 ± 6.4 µm	22.5 ± 9 µm	9 ± 4.6 µm	p < 0.001	p < 0.001	p < 0.001
200 µm CFI	39 ± 9.8 µm	25.8 ± 9 µm	13.7 ± 6.5 µm	p < 0.001	p < 0.001	p < 0.001	43 ± 2.6 µm	29 ± 8 µm	14 ± 4.2 µm	p < 0.001	p < 0.001	p < 0.001

INT, intact; IWOT, injured without tamoxifen; IWT, injured with tamoxifen; RFI, rostral from injury; IS, injury site; CFI, caudal from injury.