Table 2. Correlation Analysis among Proteins Related to Shh Pathway.

Variable	Shh expression	Gli1 expression	Patched expression	Smo expression
Shh expression	1
Gli1 expression	0.398*	1
Patched expression	0.535*	0.227	1
Smo expression	0.139	0.158	0.036	1

Shh, sonic hedgehog; Gli1, Glioma-associated oncogene homolog zinc finger protein 1; Smo, Ptch-mediated repression of smoothened.

^*p<0.05.