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Spearman’s rank correlation coefficients between the ODI-I and other parameters
| Basal metabolic data | Spearman’s r | P value |
|---|---|---|
| Age | 0.21 | 0.001 |
| NRS | 0.62 | 0.001 |
| GPE | 0.36 | 0.001 |
| PBT | −0.45 | 0.001 |
| SBT | −0.48 | 0.00 |
NRS numerical rating scale, GPE global perceived effect, PBT prone bridge test, SBT supine bridge test
