| very | 15 | degree |
| for pain management | 8 | purpose |
| for alleviating pain | 7 | purpose |
| opiate → be → effective | 17 |
| opiate → be → useful | 8 |
| opiate → be → helpful | 4 |
| opiate → be → beneficial | 3 |
| negative | neutral | positive |
| 0.222 | 0.313 | 0.465 |
| Raw frequency | 32 |
| Normalized frequency | 0.611 |
| Modifier score | 0.850 |
| Perplexity | 202.534 |