| by analyzing the abstract | 7 | manner |
| in this review | 5 | location |
| manually | 4 | manner |
| article → be → screened | 54 |
| article → be screened for → inclusion | 6 |
| negative | neutral | positive |
| 0.077 | 0.836 | 0.087 |
| Raw frequency | 60 |
| Normalized frequency | 0.403 |
| Modifier score | 1.000 |
| Perplexity | 279.251 |