Table 1:

Statistical summary

Identifier	Shapiro–Wilk (α = 0.05)	Test	95% CI
a	Normal	Raldh2 mRNA puncta/mm; unpaired t test between genotypes at P2, one-tailed	–2521 to –1732
b	Normal	PDGFRβ⁺ structures/mm²; unpaired t test between genotypes at P14, two-tailed	–42.62 to 16.82
c	Normal	Laminin⁺ structures/mm²; unpaired t test between genotypes at P14, two-tailed	–94.79 to 21.25
d	Normal	PDGFRβ⁺Laminin⁺/Laminin⁺ structures %, unpaired t test between genotypes at P14, two-tailed	–2.765 to 21.69
e	Normal	OLIG2⁺ cells/mm²; one-way ANOVA with Sidak’s test between genotypes at individual time points
		P2	4.080 to 494.0
		P7	80.47 to 547.6
		P14	126.6 to 593.7
		P21	108.9 to 681.0
f	Normal	OLIG2⁺ cells/mm²; unpaired t test within control genotype between individual time points P2 vs P21, one-tailed	–441.0 to 282.2
g	Normal	OLIG2⁺ cells/mm²; unpaired t test within cKO genotype between individual time points P2 vs P21, one-tailed	–490.0 to 39.44
h	Normal	PDGFRα⁺OLIG2⁺ cells/mm²; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
i	Normal	PDGFRα⁺OLIG2⁺ cells/mm²; one-way ANOVA with Sidak’s test for multiple comparisons within control genotype at individual time points
		P2 vs P7	–121.2 to 55.21
		P7 vs P14	–184.2 to –16.61
		P14 vs P21	8.089 to 221.1
		P2 vs P21	–224.6 to –42.19
j	Normal	PDGFRα⁺OLIG2⁺/OLIG2⁺ cells/mm²; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P2	–26.25 to –9.080
		P7	–21.13 to –3.288
		P14	–20.19 to –1.376
		P21	–12.09 to 6.720
k	Normal	CC1⁺OLIG2⁺ cells/mm²; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P7	–21.38 to 87.30
		P14	32.72 to 141.4
		P21	49.38 to 158.1
l	Normal	CC1⁺OLIG2⁺ cells/OLIG2⁺ cells %; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P14	2.156 to 20.30
		P21	1.024 to 19.16
m	Normal	PLP⁺ area (mm²); one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P7	–18.20 to 107.8
		P14	30.06 to 138.5
		P21	25.44 to 139.2
		P120	69.15 to 211.4
n	Normal	TUNEL⁺ cells/mm²; unpaired t test within control genotype between individual time points P2 vs P7, one-tailed	–41.86 to –15.94
o	Normal	TUNEL⁺ cells/mm²; unpaired t test within cKO genotype between individual time points P2 vs P7, one-tailed	–18.13 to 4.871
p	Normal	TUNEL⁺ cells/mm²; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P2	–9.109 to 16.03
		P7	–30.05 to –7.565
		P14	0.9951 to 10.17
q	Normal	IBA1⁺ cells/mm² one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P7	–46.17 to 51.34
		P14	–92.57 to 4.941
		P21	–37.76 to 67.56
r	Normal	Gli1 mRNA puncta/mm²; unpaired t test between genotypes at P2, one-tailed	–15,405 to –2876
s	Normal	Gli1 mRNA puncta/cell; n= number of cells, unpaired t test between genotypes at P2, one-tailed	–3.692 to –1.703
t	Normal	Gli1⁺Olig2⁺ cells/mm²; unpaired t test between genotypes at P2, one-tailed	–53.01 to –33.57
u	Normal	ÄGFAP⁺ area (mm²⁾; one-way ANOVA with Sidak’s test for multiple comparisons between genotypes at individual time points
		P2	0.8137 to 7.880
		P7	4.695 to 12.44
		P14	6.558 to 14.30
		P21	3.638 to 11.38
v	Normal	SATB2⁺ cells/mm²; unpaired t test between genotypes at P2, one-tailed	159.9 to 1991
w	Normal	CTIP2⁺ cells/mm²; unpaired t test between genotypes at P2, two-tailed	–172.6 to –68.02
x	Normal	TBR1⁺ cells/mm²; unpaired t test between genotypes at P2, two-tailed	–1407 to –439.5
y	Normal	Cortical thickness (um); unpaired t test between genotypes at P2, two-tailed	–234.6 to 26.12