Neurovascular Imaging

Table 6 Inter-reader agreement for three readers as reflected by ICC. ICC of 0.61–0.80 and 0.81– 1.0 were defined as good and very good concordance, respectively

From: The predictive value of a targeted posterior fossa multimodal stroke protocol for the diagnosis of acute posterior ischemic stroke

Modality	ICC	95 % CI	Interpretation	p-value
NCCT	0.6796	0.6034–0.7432	Good	reference
NCCT + CTA-SI	0.7829	0.7312–0.8260	Good	120.4 (< 0.0001)
NCCT + CTA-SI + CTP	0.8337	0.7941–0.8667	Very Good	145.9 (< 0.0001)

ICC intraclass-correlation coefficient, NCCT Non-contrast CT, CTA-SI CTA Source Images, CTP CT perfusion

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