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Table 3 Sensitivity, specificity, positive predictive value and negative predictive value of combined NCCT and CECTC and each method separately

From: CSF rhinorrhea: non-contrast CT, contrast-enhanced CT cisternography or combined?

  Sensitivity (%) Specificity (%) Positive predictive value (%) Negative predictive value (%)
Combined NCCT and CECTC 95 100 100 83
NCCT 74 100 100 50
CECTC 87 100 100 67