Table 1: Diagnostic sensitivity, specificity, PPV, and NPV for imaging studies.
|
Imaging studies |
Sensitivity, % |
p |
Specificity, % |
p |
PPV, % |
p |
NPV, % |
p |
|
Acute cholecystitis (n = 60), Non-acute cholecystitis (n = 43) |
||||||||
|
US alone |
72 (43/60) |
< 0.01 |
100 (43/43) |
1.00 |
100 (43/43) |
1.00 |
77 (33/43) |
< 0.05 |
|
CT alone |
85 (51/60) |
100 (43/43) |
|
100 (51/51) |
|
90 (39/43) |
||
CT = Computed tomography; NPV = Negative predictive value; PPV = Positive predictive value.