Table 5. Stratification of BMI with respect to MDCT findings and peroperative findings (n=147).
MDCT: multi-detector computed tomography; TP: true positive; FP: false positive; FN: false negative; TN: true negative; PPV: positive predictive value; NPV: negative predictive value
| Variables | Positive result on operative findings | Negative result on operative findings | p-Value | Positive result on operative findings | Negative result on operative findings | p-Value |
| BMI <25 kg/m2 | BMI ≥25 kg/m2 | |||||
| Positive result on MDCT | 87 (98.86%) | 6 (35.29%) | 0.0001 | 35 (97.22%) | 2 (33.3%) | 0.0001 |
| Negative result on MDCT | 1 (1.14%) | 11 (64.70%) | 1 (2.78%) | 4 (66.67%) | ||
| Sensitivity | 98.36% | 97.22% | ||||
| Specificity | 64.71% | 66.67% | ||||
| PPV | 93.55% | 94.59% | ||||
| NPV | 91.67% | 80.0% | ||||
| Diagnostic accuracy | 93.33% | 92.86% | ||||