| with a slit therein | 4 | other |
| catheter → have → wall | 6 |
| catheter → have → inner wall portion | 4 |
| catheter → be positioned on → inner wall | 3 |
| negative | neutral | positive |
| 0.043 | 0.867 | 0.090 |
| Raw frequency | 13 |
| Normalized frequency | 0.244 |
| Modifier score | 0.500 |
| Perplexity | 367.735 |