Table 2.

Inter-rater agreement of AO/OTA 2018

AO/OTA 2018	Observers	Kappa	Agreement
First examination	1 vs. 2	0.54	Moderate
	1 vs. 3	0.36	Fair
	2 vs. 3	0.35	Fair
	Mean	0.42	Moderate
Second examination	1 vs. 2	0.46	Moderate
	1 vs. 3	0.44	Moderate
	2 vs. 3	0.40	Fair
	Mean	0.43	Moderate
Total	Mean	0.42	Moderate