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Baseline Demographics for Complete Cohort and Four‐Year NRS Completed Case Cohort.
| Complete cohort | Four‐year NRS CC cohort | |
|---|---|---|
| N | 53 | 33 |
| Sex (% female) | 57% | 55% |
| Age (years) (SD) | 44.1 (10.2) | 44.8 (9.0) |
| Mean BMI (kg/m2) SD) | 27.3 (4.5) | 26.8 (4.6) |
| Mean pain duration (years) (SD) | 14.3 (10.5) | 14.1 (9.6) |
| Baseline NRS (mean) (SD) | 6.8 (0.8) | 6.7 (1.2) |
| Baseline ODI (mean) (SD) | 44.9 (10.1) | 43.8 (9.9) |
| Baseline EQ‐5D (mean) (SD) | 0.434 (0.185) | 0.444 (0.186) |
