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The Spearman correlation between baseline numerical rating scale (NRS) scores and surveys.
| Baseline NRS | Pain catastrophizing (PCS-Ca) | P value | Anxiety sensitivity (CASIb) | P value |
| Pain intensity | 0.19 | .17 | –0.09 | .55 |
| Pain unpleasantness | 0.17 | .23 | 0.06 | .67 |
| Anxiety | 0.41 | .003 | 0.25 | .07 |
aPCS-C: Pain Catastrophizing Scale for Children.
bCASI: Child Anxiety Sensitivity Index.
