Table 4.
Correlations among the scales
| Dysphagia | Voice problems | Pain | |
|---|---|---|---|
| Dysphagia | – | – | – |
| Voice problems | 0.25 | – | – |
| Pain | 0.51 | 0.22 | – |
| Fatigue | 0.45 | 0.38 | 0.46 |
| Quality of life | − 0.39 | − 0.28 | − 0.40 |
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