Number of patients who endorsed Criterion A and B items.
| Fatigue Case Definition Items | SSc Sample | Cancer Sample | p | ||
|---|---|---|---|---|---|
| Completed Item, n | Endorsed Item, n (%) | Completed Item, n | Endorsed Item, n (%) | ||
| A1. Two weeks of fatigue in past month | 291 | 145 (49.8) | 278 | 144 (51.8) | 0.68 |
| A2. General weakness | 145 | 107 (73.8) | 144 | 94 (65.3) | 0.13 |
| A3. Trouble concentrating | 145 | 81 (55.9) | 143 | 97 (67.8) | 0.04 |
| A4. Decreased motivation | 145 | 96 (66.2) | 143 | 87 (60.8) | 0.39 |
| A5. Insomnia/hypersomnia | 145 | 118 (81.4) | 144 | 119 (82.6) | 0.88 |
| A6. Non-restorative sleep | 145 | 111 (76.6) | 144 | 120 (83.3) | 0.19 |
| A7. Having to push to do things | 144 | 123 (85.4) | 144 | 107 (74.3) | 0.03 |
| A8. Sadness or frustration | 145 | 105 (72.4) | 144 | 94 (65.3) | 0.21 |
| A9. Trouble completing daily tasks | 145 | 109 (75.2) | 144 | 99 (68.8) | 0.24 |
| A10. Short-term memory problems | 145 | 87 (60.0) | 141 | 104 (73.8) | 0.02 |
| B. Impairment in functioning | 122 | 102 (83.6) | 116 | 105 (89.7) | 0.13 |
SSc: systemic sclerosis.