Symptoms across the latent classes (mean±SD)
| Domain | Class 1 (n=79) | Class 2 (n=74) | Class 3 (n=63) | P value |
| Anxiety | 44.0±8.0 | 56.9±4.8 | 64.3±6.7 | <0.001 |
| Depression | 43.9±7.3 | 56.5±4.5 | 62.7±6.4 | <0.001 |
| Fatigue | 43.1±7.2 | 51.5±3.7 | 61.2±5.6 | <0.001 |
| Sleep disturbance | 50.6±6.8 | 51.0±3.8 | 55.4±3.7 | <0.001 |
| Pain interference | 48.0±9.5 | 57.5±5.5 | 64.7±5.2 | <0.001 |