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Table 2 Accuracy of TB and FS

From: Toluidine blue versus frozen section for assessment of mucosal tumor margins in oral squamous cell carcinoma

 

Statistic

Value

95% CI

TB

Sensitivity

100.0%

54.1 to 100.0%

Specificity

94.0%

88.6 to 97.4%

PPV

42.9%

27.7 to 59.5%

NPV

100.0%

 

Accuracy

94.3%

89.0 to 97.5%

FS

Sensitivity

50.0%

11.8 to 88.2%

Specificity

100.0%

97.3 to 100.0%

PPV

100.0%

 

NPV

97.8%

95.2 to 99.0%

Accuracy

97.9%

93.9 to 99.6%

  1. Abbreviations: CI Confidence Interval, FS frozen section, NPV negative predictive value, PPV positive predictive value, TB toluidine blue