| over the years | 3 | temporal |
| through a patient’s lifespan | 3 | temporal |
| constantly | 2 | degree |
| concept → be → changing | 10 |
| concept → undergone → change | 4 |
| concept → undergo → change | 4 |
| negative | neutral | positive |
| 0.119 | 0.615 | 0.266 |
| Raw frequency | 18 |
| Normalized frequency | 0.279 |
| Modifier score | 0.500 |
| Perplexity | 315.790 |