Value of delay phase CT compared with pathology The value of CT compared to the pathology (table 3.30) includes sensitivity 98.7%, specificity 73.5%, positive predictive value 79.0%, negative forecast value 98.5% and The accuracy is 86.7 According to Choi YS (2019), a study of 90 patients with single lung nodules found the sensitivity, specificity and accuracy with values of 83% 65% and 73%, respectively.