Table 3.

Contingency tables comparing the model’s predictions against the clinician’s observations.

Observed Data (n = 284)	Model Prediction (n = 284)		Observed Data (n = 284)	Model Prediction (n = 284)
	DR Present (n, %)	DR Absent (n, %)		DR Present (n, %)	DR Absent (n, %)
DR Present (n, %)	146 (51)	0 (0)	STDR Present (n, %)	25 (9)	47 (16)
DR Absent (n, %)	0 (0)	138 (49)	STDR Absent (n, %)	22 (8)	190 (67)

Abbreviations: DR—diabetic retinopathy; STDR—sight threatening diabetic retinopathy.