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Table 1.

Intraoperative tumor margin assessment (OCT versus histopathology)

Histology (positive)Histology (negative)Total
OCT (positive) 9 (true positive) 2 (false positive) 11 Positive predictive value = 82% 
OCT (negative) 0 (false negative) 9 (true negative) 9 Negative predictive value = 100% 
Total 9 11 20  
 Sensitivity = 100% Specificity = 82%   
Histology (positive)Histology (negative)Total
OCT (positive) 9 (true positive) 2 (false positive) 11 Positive predictive value = 82% 
OCT (negative) 0 (false negative) 9 (true negative) 9 Negative predictive value = 100% 
Total 9 11 20  
 Sensitivity = 100% Specificity = 82%   
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