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Spearman rank correlations among questionnaires
| Questionnaire | PCS | PIPS | PROMIS-PI | PSEQ |
|---|---|---|---|---|
| PCS | 1.0000 | |||
| PIPS | 0.7037 | 1.0000 | ||
| PROMIS-PI | 0.6674 | 0.7093 | 1.0000 | |
| PSEQ | −0.7015 | −0.7028 | −0.8379 | 1.0000 |
PCS = Pain Catastrophizing Scale; PIPS = Psychological Inflexibility in Pain Scale; PROMIS-PI = Patient-Reported Outcomes Measurement Information System-Pain Interference; PSEQ = Pain Self-Efficacy Questionnaire. P values were below 0.001 for all correlations.
