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Table 1 Intra-class correlation coefficients for absolute agreement of optic nerve cross sectional area calculated OCT B-scans centered on the optic nerve head

From: Comparison of cross sectional optical coherence tomography images of elevated optic nerve heads across acquisition devices and scan protocols

  Absolute agreement
Intra-rater (n = 2) 0.999–1.00 (3 devices)
Inter-rater (n = 3) 0.999–1.00 (3 devices)
Inter-device (n = 3) 0.958–0.965 (3 raters)