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. 2019 Oct 24;40(9):1757–1764. doi: 10.1097/IAE.0000000000002650

Table 2.

Interobserver Agreement Regarding the OCTA Characters

Character	Observer 1	Observer 2		% Agreement	Kappa ± SE	Strength of Agreement
Character	Observer 1	+	−	% Agreement	Kappa ± SE	Strength of Agreement
Medusa or sea-fan shape	+	31	2	96.34	0.924 ± 0.043	Very good
Medusa or sea-fan shape	−	1	48	96.34	0.924 ± 0.043	Very good
Tiny branching	+	31	5	86.59	0.728 ± 0.076	Good
Tiny branching	−	6	40	86.59	0.728 ± 0.076	Good
Loop or anastomoses	+	29	4	89.02	0.773 ± 0.071	Good
Loop or anastomoses	−	5	44	89.02	0.773 ± 0.071	Good
Choroid dark halo	+	54	1	96.34	0.916 ± 0.047	Very good
Choroid dark halo	−	2	25	96.34	0.916 ± 0.047	Very good