Table 1 Five-grade subjective evaluation criterions
Index | Criterion | Scores | ||||
|---|---|---|---|---|---|---|
Strongly Agree | Agree | Neutrality | Disagree | Strongly disagree | ||
1 | The pterygopalatine fossa is clearly visible | 5 | 4 | 3 | 2 | 1 |
2 | The rupture hole is clearly visible | 5 | 4 | 3 | 2 | 1 |
3 | The boundary of pharyngeal fossa is clearly visible | 5 | 4 | 3 | 2 | 1 |