Table 2.
Number of completed items, floor and ceiling effects, and reliability of the PROMIS measures in adults with von Willebrand disease.
|
PROMIS measure |
N | No. of items |
Floor |
Ceiling |
Reliability |
|||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Min | Max | % | % | coefficient | ||
| Computer adaptive tests | ||||||||
| Physical function | 67 | 6.2 | 2.8 | 4 | 12 | 0% | 0% | 0.96 |
| Pain interference | 67 | 7.5 | 3.8 | 4 | 12 | 39% | 2% | 0.91 |
| Fatigue | 66 | 6.1 | 2.8 | 4 | 12 | 3% | 0% | 0.96 |
| Anxiety | 66 | 8.7 | 2.4 | 5 | 12 | 3% | 0% | 0.94 |
| Depression | 65 | 7.2 | 1.7 | 4 | 9 | 15% | 0% | 0.93 |
| Ability to participate in social roles and activities | 64 | 6.4 | 2.9 | 4 | 12 | 0% | 11% | 0.95 |
| Satisfaction with social roles and activities | 64 | 5.3 | 2.5 | 4 | 12 | 0% | 8% | 0.96 |
| PROMIS short form | ||||||||
| Anger | 63 | 5 | - | 5 | 5 | 14% | 0% | 0.90 |
| PROMIS fixed scale | ||||||||
| Global health – physical health | 62 | 4 | - | 4 | 4 | 0% | 0% | 0.82 |
| Global health – mental health | 62 | 4 | - | 4 | 4 | 13% | 0% | 0.82 |
Max, maximum; Min, minimum; No., number; PROMIS, patient-reported outcomes measurement information system.