| to help steady | 4 | purpose |
| to treat sinus node dysfunction | 2 | purpose |
| patient → have → pacemaker | 9 |
| patient → need → pacemaker | 4 |
| patient → receive → pacemaker | 3 |
| negative | neutral | positive |
| 0.381 | 0.596 | 0.024 |
| Raw frequency | 16 |
| Normalized frequency | 0.310 |
| Modifier score | 0.600 |
| Perplexity | 44.737 |