. 2017 Sep 20;50(3):163–170. doi: 10.5115/acb.2017.50.3.163

Table 6. Correlation between different angles of P-ICA and C-ICA.

		A1	A2	A3	A4
A1	Pearson correlation	1	0.317^*	0.207	0.480^**
A1	Sig. (2-tailed)	1	0.017	0.136	0.000
A2	Pearson correlation	0.317^*	1	0.332^*	0.330^*
A2	Sig. (2-tailed)	0.017	1	0.015	0.014
A3	Pearson correlation	0.207	0.332^*	1	0.496^**
A3	Sig. (2-tailed)	0.136	0.015	1	0.000
A4	Pearson correlation	0.480^**	0.330^*	0.496^**	1
A4	Sig. (2-tailed)	0.000	0.014	0.000	1

P-ICA, petrous part of internal carotid artery (ICA); C-ICA, cavernous part of the ICA; A1, first angle of petrous ICA; A2, second angle of petrous ICA; A3, first angle of cavernous ICA; A4, second angle of cavernous ICA. ^*Correlation is significant at the 0.05 level (2-tailed). ^**Correlation is significant at the 0.01 level (2-tailed).