Appendix S1d.
Summary of P-values for effect of the follow-up time on patient-reported outcome measure outcomes
| PROM | rs (P) |
|---|---|
| NRS (0–10) | −0.29 (0.33) |
| EQ-5D-5L VAS (1–100) | 0.22 (0.46) |
| EQ-5D-5L mobility | −0.45 (0.12) |
| EQ-5D-5L self-care | −0.27 (0.37) |
| EQ-5D-5L usual activities | −0.43 (0.14) |
| EQ-5D-5L pain/discomfort | −0.32 (0.29) |
| EQ-5D-5L anxiety/depression | −0.02 (0.94) |
| EQ-5D-5L index | 0.37 (0.21) |
| ODI (%) | −0.43 (0.14) |
PROM-Patient-reported outcome measure; rs-Spearman’s rank coefficient; NRS-Numerical Rating Scale; ODI-Oswestry Disability Index; VAS-Visual Analog Scale; EQ-EuroQol