Table 3.

Receiver operating characteristic (ROC) curves of scleral spur parameters between POAG and healthy groups

	AUC	p	Cut-off value	Sensitivity	Specificity
Scleral spur length (μm; Method I)	0.841	< 0.001	179.79 μm	0.782	0.817
Scleral spur length (μm; Method II)	0.810	< 0.001	155.69 μm	0.795	0.742
Scleral spur length (μm; Method III)	0.753	< 0.001	186.38 μm	0.910	0.473
Scleral spur opening width (μm)	0.737	< 0.001	151.70 μm	0.782	0.645

AUC area under receiver operating characteristic curve