Table 3.
Receiver operating curve analysis of measured parameters for identifying the presence and Child-Pugh class of cirrhosis, and the presence of esophageal varices
| Parameter | Cutoff values | Differentiations | AUC | Sensitivity | Specificity |
| PLT (109/L) | 217 | Normal liver vs cirrhosis | 0.903 | 97.5% | 86.8% |
| 140 | Child-Pugh class A vs B | 0.661 | 66.0% | 64.2% | |
| 114 | Child-Pugh class A vs C | 0.859 | 80.9% | 82.5% | |
| 96.5 | Child-Pugh class B vs C | 0.703 | 61.1% | 79.4% | |
| 99.5 | No varices vs varices | 0.678 | 61.5% | 60.2% | |
| SV/PLT | 0.83 | Normal liver vs cirrhosis | 0.952 | 91.2% | 97.5% |
| 2.99 | Child-Pugh class A vs B | 0.663 | 58.9% | 63.8% | |
| 5.19 | Child-Pugh class A vs C | 0.873 | 69.8% | 95.7% | |
| 5.40 | Child-Pugh class B vs C | 0.722 | 69.8% | 62.1% | |
| 4.13 | No varices vs varices | 0.782 | 72.7% | 68.4% | |
| SI/PLT | 2 | Normal liver vs cirrhosis | 0.967 | 93.7% | 97.5% |
| 6.08 | Child-Pugh class A vs B | 0.692 | 65.3% | 61.7% | |
| 12.55 | Child-Pugh class A vs C | 0.902 | 76.2% | 97.9% | |
| 13.01 | Child-Pugh class B vs C | 0.724 | 74.6% | 63.2% | |
| 11.08 | No varices vs varices | 0.773 | 72.7% | 70.1% | |
| RVPS | 883.90 | Normal liver vs cirrhosis | 0.973 | 97.5% | 92.7% |
| 330.98 | Child-Pugh class A vs B | 0.740 | 78.7% | 62.1% | |
| 175.72 | Child-Pugh class A vs C | 0.976 | 93.6% | 92.1% | |
| 129.36 | Child-Pugh class B vs C | 0.853 | 72.6% | 81.0% | |
| 226.46 | No varices vs varices | 0.758 | 64.1% | 79.5% |
PLT: Platelet count; SV: Spleen volume; SI: Spleen volumetric index; RV: Right liver lobe volume; RVPS: RV × PLT/SV; AUC: Area under the receiver operating curve.