Table 6 Sensitivity, specificity, positive predictive value and negative predictive value of each classification system of IUA
Classification | Sensitivity | Specificity | Positive predictive value | Negative predictive value | |
|---|---|---|---|---|---|
AFS | Stage I vs. Stage II + III | 69.2% | 51.0% | 26.5% | 86.7% |
Stage I+ II vs. Stage III | 62.2% | 76.7% | 89.7% | 38.3% | |
ESGE | Mild vs. Moderate +Severe | 83.3% | 50.0% | 14.7% | 96.7% |
Mild + Moderate vs. Severe | 62.2% | 68.4% | 82.4% | 43.3% | |
March | Mild vs. Moderate +Severe | 75.0% | 50.0% | 17.6% | 93.3% |
Mild + Moderate vs. Severe | 63.8% | 64.6% | 75.0% | 51.7% | |
Nasr | Mild vs. Moderate +Severe | 81.8% | 49.6% | 13.2% | 96.7% |
Mild + Moderate vs. Severe | 71.9% | 65.6% | 67.6% | 70.0% | |
Chinese | Mild vs. Moderate +Severe | 73.3% | 49.6% | 16.2% | 93.3% |
Mild + Moderate vs. Severe | 61.8% | 80.8% | 92.6% | 35.0% |