Table 3.

Sensitivity/specificity results within 3 distance ranges

FA threshold	Near (3–4.5 mm)			Medium (4.5–5.5 mm)			Far (5.5–9 mm)
	Sensitivity	Specificity	D	Sensitivity	Specificity	D	Sensitivity	Specificity	D
0.01	0.875	0.625	0.3953	0.713	0.8	0.3498	0.8247	0.6688	0.3747
0.02	0.8594	0.8125	0.2344	0.6609	0.8087	0.3894	0.7727	0.7597	0.3307
0.04	0.8438	0.8281	0.2323	0.6435	0.8087	0.4046	0.7662	0.7597	0.3352
0.06	0.8438	0.8438	0.221	0.6261	0.8696	0.396	0.7143	0.7987	0.3495
0.08	0.8281	0.8906	0.2037	0.5913	0.913	0.4178	0.6558	0.8247	0.3862
0.1	0.75	0.9531	0.2544	0.5043	0.9217	0.5018	0.487	0.8896	0.5247
0.15	0.3281	1	0.6719	0.3565	0.9739	0.644	0.2662	0.9545	0.7352
0.2	0.1875	1	0.8125	0.2087	0.9826	0.7915	0.1234	0.9805	0.8768
0.25	0.1406	1	0.8594	0.1217	1	0.8783	0.0065	1	0.9935