Author | Sample size | Prevalence (%) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
---|
Chen et al. [25] | 147 | 75 | 96 | 68 | 90 | 86 |
Fox et al. [26] | 155 | 45 | 39 | 90 | 75 | 65 |
Fox et al. [27] | 126 | 45 | 65 | 90 | 84 | 76 |
Elikashvili et al. [28] | 150 | 33 | 60 | 94 | 86 | 82 |
Sivitz et al. [29] | 264 | 32 | 85 | 93 | 85 | 93 |
Mallin et al. [30] | 97 | 35 | 68 | 98 | 96 | 85 |
- Four studies [25, 27–30] were performed prospectively. The final diagnosis of appendicitis was made according to operative or pathology findings
-
PPV positive predictive value, NPV negative predictive value