Table 2. Pairwise comparison of ROC Curves.

Reader, Diagnostic Instrument	ΔAUC	SE	95%C.I.	z	p
Reader 1
sMRI* vs. sMRI + MRA	0.156	0.046	0.066 – 0.247	3.381	<0.01
sMRI vs. sMRI + MRA + PCASL	0.174	0.047	0.082 – 0.266	3.701	<0.01
sMRI + MRA vs. sMRI+MRA + PCASL	0.018	0.028	-0.036 – 0.072	0.644	0.52
Reader 2
sMRI vs. sMRI + MRA	0.112	0.044	0.027 – 0.197	2.581	<0.01
sMRI vs. sMRI + MRA + PCASL	0.193	0.043	0.108 – 0.277	4.475	<0.01
sMRI + MRA vs. sMRI + MRA + PCASL	0.081	0.030	0.022 – 0.140	2.675	<0.01
Pooled Reader 1+2
sMRI vs. sMRI + MRA	0.136	0.042	0.053 – 0.219	3.208	<0.01
sMRI vs. sMRI + MRA + PCASL	0.179	0.045	0.091 – 0.267	3.965	<0.01
sMRI + MRA vs. sMRI + MRA + PCASL	0.043	0.027	-0.009 – 0.100	1.615	0.11

^*Structural MRI