| basically | 4 | degree |
| for cooling the tip | 3 | purpose |
| with cross | 3 | other |
| catheter → be → tube | 46 |
| catheter → include → a catheter tube | 8 |
| catheter → include → tube | 8 |
| catheter → have → tube | 7 |
| catheter → comprise → tube | 7 |
| catheter → comprise → a catheter tube | 4 |
| negative | neutral | positive |
| 0.143 | 0.817 | 0.040 |
| Raw frequency | 80 |
| Normalized frequency | 0.546 |
| Modifier score | 0.900 |
| Perplexity | 54.693 |