Table 2.
Symptom severity scores at enrollment by latent classa
| Symptom score | All Low (1) n = 241 (61.3%) |
Low Pain and High Fatigue (2) n = 124 (31.6%) |
All High (3) n = 28 (7.1%) |
Omnibus test p-value and Sidak post hoc contrasts |
|---|---|---|---|---|
| Global Sleep Disturbance Scale | 40.1 (18.4) | 59.8 (19.9) | 67.6 (19.7) |
p < .00005 1 < 2 and 3 |
| Center for Epidemiological Studies–Depression Scale | 10.7 (7.7) | 16.5 (9.0) | 28.0 (12.6) |
p < .00005 1 < 2 < 3 |
| Worst Pain Severity (0–10)b | 2.4 (1.1) | 2.9 (1.2) | 7.6 (1.6) |
p < .00005 1 and 2 < 3 |
| Lee Fatigue Scale | 1.5 (1.2) | 5.8 (1.3) | 4.6 (1.7) |
p < .00005 2 > 3 > 1 |
Note. Values reported for symptom scores are mean (SD).
Predicted classes based on the most likely latent class membership.
Means and tests are only for patients who reported pain: Class 1 (n = 20), Class 2 (n = 31), Class 3 (n = 48).