BMC Medical Imaging

Table 4 Multivariate logistic regression analysis of factors predicting tumor recurrence/persistence in 525 patients who underwent total thyroidectomy for papillary thyroid carcinoma

From: Utility of routine ultrasonography follow-up after total thyroidectomy in patients with papillary thyroid carcinoma: a single-center study

Items	A_z value^a	Sensitivity	Specificity	PPV	NPV	Cut off	P value
Items	A_z value^a	(%)	(%)	(%)	(%)	Cut off	P value
Number of session	0.513 (0.469, 0.556)	32.3	78.7	8.7	94.9	2	0.828
Interval	0.514 (0.470, 0.558)	38.7	77.5	9.8	95.3	39	0.814

Note. A_z indicates the largest area under the receiver operating characteristic curve
PPV positive predictive value, NPV negative predictive value
^aNumbers in parentheses are 95% confidence intervals

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ISSN: 1471-2342

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