Table 6.
Reliability measures of PROMIS CAT, SF-12, PROMIS Pain Intensity, and DSI in patients with CKD (n = 179)
| Tool and domain | ICC agreement (95% CI) | SEM | MDC |
|---|---|---|---|
| PROMIS CAT | |||
| Physical Function | 0.92 (0.89–0.94) | 2.06 | 5.72 |
| Pain Interference | 0.78 (0.71–0.83) | 2.65 | 7.43 |
| Fatigue | 0.81 (0.75–0.86) | 2.06 | 5.71 |
| Sleep Disturbance | 0.84 (0.79–0.88) | 2.22 | 6.15 |
| Anxiety | 0.78 (0.71–0.83) | 2.29 | 6.36 |
| Depression | 0.81 (0.76–0.86) | 2.35 | 6.53 |
| Ability to Participate in Social Roles and Activities | 0.77 (0.71–0.83) | 2.09 | 5.80 |
| SF-12 | |||
| Physical functioning | 0.76 (0.69–0.82) | 5.27 | 14.61 |
| Role-physical | 0.73 (0.65–0.79) | 5.10 | 14.13 |
| Bodily pain | 0.70 (0.62–0.77) | 6.02 | 16.67 |
| General health | 0.75 (0.68–0.81) | 5.23 | 14.50 |
| Vitality | 0.67 (0.58–0.75) | 5.72 | 15.85 |
| Social functioning | 0.64 (0.54–0.72) | 7.20 | 19.96 |
| Role-emotional | 0.48 (0.36–0.58) | 7.82 | 21.67 |
| Mental health | 0.78 (0.82–0.83) | 4.32 | 11.98 |
| PCS scorea | 0.85 (0.81–0.89) | 4.07 | 11.29 |
| MCS scorea | 0.72 (0.65–0.79) | 5.09 | 14.11 |
| PROMIS single item | |||
| Pain Intensity (0–10) | 0.68 (0.59–0.76) | 1.53 | 4.24 |
| DSI | |||
| Number of symptoms (0–30) | 0.85 (0.80–0.88) | 2.12 | 5.87 |
| Total symptom burden score (0–150) | 0.88 (0.85–0.91) | 5.75 | 15.94 |
a
SF-12 PCS includes the domains physical functioning, role-physical, bodily pain, and general health; SF-12 MCS includes the domains vitality, social functioning, role-emotional, and mental health. CI, confidence interval.