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