Parameters | Sample size (n) | Percentage (%) |
NCB (n=56) | NCB (n=56) | NCB (n=56) |
NC-USG (True positive) | 40 | 71.428 % |
NNC-USG (False negative) | 16 | 28.57 % |
NNCB (n=39) | NNCB (n=39) | NNCB (n=39) |
NNC-USG (True negative) | 39 | 100 % |
NC-USG (False negative) | 0 | 0 % |
Results | Results | Results |
Sensitivity | 71.4 % | 71.4 % |
Specificity | 100 % | 100 % |
Positive predictive value | 100 % | 100 % |
Negative predictive value | 7.09 % | 7.09 % |
False-positive rate | 0 % | 0 % |
False-negative rate | 28.6 % | 28.6 % |