Table 3

Statistical analysis of the results

USG RS FNA FSE
True positive3434
True negative15382415
False positive212171
False negative7020
Sensitivity60%30%100%100%
Specificity59%42%95%94%
Accuracy59%39%95%95%
Positive predictive value15%12%67%80%
Negative predictive value92%68%100%100%