. 2017 Jun 20;12(6):e0179310. doi: 10.1371/journal.pone.0179310

Table 8. Intra-class correlation coefficient (95% CI) among CERA grader and local graders in grading DR after learning from a test set of 32 eyes graded by the CERA grader.

	CERA grader	Grader 1
Grader 1	0.71 (0.56, 0.81)^**
Grader 2	0.77 (0.65, 0.85)^**	0.90 (0.80, 0.92)^**

** for P<0.001