Table 2.
Analysis of the criteria from the McCormack classification for the presence of portal hypertension and portal hypertensive gastropathy
| Fine pink speckling | Superficial reddening | Mosaic-like pattern | Cherry-red spots | Diffuse hemorrhagic lesion | ||||||
| Diagnosis | PH | PHG | PH | PHG | PH | PHG | PH | PHG | PH | PHG |
| Sensitivity | 48.00% | 56.52% | 64.00% | 69.57% | 48.00% | 100.00% | 22.00% | 39.13% | 8.00% | 17.39% |
| Specificity | 86.00% | 76.62% | 80.00% | 66.23% | 90.00% | 92.21% | 98.00% | 96.10% | 100.00% | 100.00% |
| PPV | 77.42% | 41.94% | 76.19% | 38.10% | 82.76% | 79.31% | 91.67% | 75.00% | 100.00% | 100.00% |
| NPV | 62.32% | 85.51% | 68.97% | 87.93% | 63.38% | 100.00% | 55.68% | 84.09% | 52.08% | 80.21% |
| Accuracy | 67.00% | 72.00% | 72.00% | 67.00% | 69.00% | 94.00% | 60.00% | 83.00% | 54.00% | 81.00% |
| False negative | 26.00% | 10.00% | 18.00% | 7.00% | 26.00% | 0.00% | 39.00% | 14.00% | 46.00% | 19.00% |
| False positive | 7.00% | 18.00% | 10.00% | 26.00% | 5.00% | 6.00% | 1.00% | 3.00% | 0.00% | 0.00% |
| Significance | P < 0.001 | P =0.03 | P < 0.001 | P = 0.002 | P < 0.001 | P < 0.001 | P = 0.002 | P < 0.001 | P = 0.059 | P = 0.002 |
| Reliability (α) | 0.4301 | 0.4301 | 0.5321 | 0.5321 | 0.7992 | 0.7992 | 0.7532 | 0.7532 | 0.5741 | 0.5741 |
1
Unsatisfactory;
2
High. PPV: Positive predictive value; NPV: Negative predictive value; PH: Portal hypertension; PHG: Portal hypertensive gastropathy.