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Table 3 Values of interobserver and intraobserver agreement when the presence or absence of DR

From: Efficacy of smartphone-based retinal photography by undergraduate students in screening and early diagnosing diabetic retinopathy

 

Agreement on the presence or absence of diabetic retinopathy

Interobserver Agreement (smartphone based device)

88.6% (Kappa 0.75)

Interobserver Agreement (gold standard)

90.48% ( Kappa 0.81)

Intraobserver Agreement 1( device x gold standard)

82.63% (Kappa 0,64)

Intraobserver Agreement 2 (device x gold standard)

79.69% (Kappa 0,60)