Table 3.

The effect of diabetic retinopathy, hypertension, AMD, or glaucoma on accuracy, sensitivity, specificity, and kappa statistic for the IB and Gabor filter algorithms.

	IB algorithm
Subgroup	Acc (%)		Sen (%)		Spe (%)		Kappa
DR	95.42	$\pm 0.61$	54.38	$\pm 5.08$	98.72	$\pm 0.35$	0.61	$\pm 0.05$
Hypertension	96.24	$\pm 0.75$	57.78	$\pm 8.07$	98.97	$\pm 0.45$	0.64	$\pm 0.08$
AMD	95.54	$\pm 0.52$	53.01	$\pm 5.26$	98.90	$\pm 0.30$	0.61	$\pm 0.05$
Glaucoma	96.07	$\pm 0.46$	57.44	$\pm 6.53$	98.97	$\pm 0.32$	0.65	$\pm 0.05$
	Single-scale Gabor filter algorithm
Subgroup	Acc (%)		Sen (%)		Spe (%)		Kappa
DR	95.16	$\pm 0.68$	59.96	$\pm 5.14$	98.03	$\pm 0.96$	0.62	$\pm 0.07$
Hypertension	95.94	$\pm 0.52$	60.16	$\pm 7.60$	98.53	$\pm 0.80$	0.62	$\pm 0.10$
AMD	95.32	$\pm 0.69$	56.97	$\pm 7.60$	98.34	$\pm 0.86$	0.61	$\pm 0.08$
Glaucoma	96.10	$\pm 0.39$	62.91	$\pm 5.52$	98.63	$\pm 0.49$	0.67	$\pm 0.04$
	Two-scale Gabor filter algorithm
Subgroup	Acc (%)		Sen (%)		Spe (%)		Kappa
DR	95.23	$\pm 0.68$	59.73	$\pm 5.45$	98.12	$\pm 0.91$	0.62	$\pm 0.07$
Hypertension	95.91	$\pm 0.60$	59.25	$\pm 8.90$	98.57	$\pm 0.81$	0.62	$\pm 0.10$
AMD	95.36	$\pm 0.72$	56.54	$\pm 8.02$	98.42	$\pm 0.81$	0.61	$\pm 0.08$
Glaucoma	96.15	$\pm 0.45$	62.65	$\pm 6.26$	98.70	$\pm 0.45$	0.67	$\pm 0.04$
	Three-scale Gabor filter algorithm
Subgroup	Acc (%)		Sen (%)		Spe (%)		Kappa
DR	95.23	$\pm 0.70$	58.68	$\pm 5.91$	98.20	$\pm 0.88$	0.62	$\pm 0.07$
Hypertension	95.86	$\pm 0.71$	57.45	$\pm 10.32$	98.66	$\pm 0.77$	0.61	$\pm 0.10$
AMD	95.33	$\pm 0.76$	55.25	$\pm 8.43$	98.50	$\pm 0.78$	0.60	$\pm 0.09$
Glaucoma	96.14	$\pm 0.53$	61.13	$\pm 7.26$	98.80	$\pm 0.44$	0.67	$\pm 0.05$

Note: Acc, accuracy; AMD, age-related macular degeneration; DR, diabetic retinopathy.

sen, sensitivity; spe, specificity.