Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Cutoff levels of size and irregularity index

From: Computed tomographic features of pulmonary pure ground-glass nodule: a comparison between neoplastic and non-neoplastic nodules

	Area under the curve	P-value	95% confidence interval
	Area under the curve	P-value	Lower bound	Upper bound	Cutoff	Sensitivity%	Specificity%
Maximum diameter (mm)	0.729	0.001*	0.600	0.859	8.8	74.5	62.5
Irregularity index	0.698	0.003*	0.568	0.827	1.9032	78.7	54.2
Peak frequency%	0.666	0.020*	0.526	0.806	20.5	56.3	79.2

P-value > 0.05 NS; *P-value < 0.05 S; **P-value < 0.001 HS

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