Table 2.
SLEQoL, FACIT, PHQ-9, and PSQI in the study population based on serum cortisol levels (n = 100).
| Variables | Hypocortisolism (n = 26) | Eucortisolism (n = 49) | Hypercortisolism (n = 25) | p value |
|---|---|---|---|---|
| Total SLEQoL (mean ± SD) | 65.46 ± 28.8 | 70.02 ± 26.8 | 62.88 ± 21.93 | 0.51 |
| Physical (mean ± SD) | 8.69 ± 3.48 | 8.96 ± 4.79 | 7.88 ± 3.46 | 0.57 |
| Activity (mean ± SD) | 15.81 ± 8.87 | 16.51 ± 8.98 | 14.32 ± 6.61 | 0.57 |
| Symptom (mean ± SD) | 14.73 ± 7.66 | 15.47 ± 7.12 | 13.76 ± 7.37 | 0.64 |
| Treatment (mean ± SD) | 6.35 ± 2.68 | 5.94 ± 2.48 | 5.28 ± 2.32 | 0.31 |
| Mood (mean ± SD) | 6.92 ± 3.76 | 8.27 ± 5.77 | 7.44 ± 4.75 | 0.53 |
| Self-image (mean ± SD) | 14.62 ± 5.99 | 14.94 ± 5.67 | 14.12 ± 5.9 | 0.85 |
| FACIT (mean ± SD) | 14.54 ± 13.33 | 13.86 ± 7.05 | 12.52 ± 6.12 | 0.71 |
| PHQ-9 (mean ± SD) | 4.88 ± 4.02 | 5.59 ± 3.82 | 4.12 ± 3.7 | 0.29 |
| PHQ − 9 > 9 (n, %) | 5 (19.2) | 9 (18.4) | 4 (16) | 0.95 |
| PSQI (mean ± SD) | 7.42 ± 4.11 | 6.8 ± 3.4 | 6.84 ± 3.64 | 0.76 |
| PSQI ≥ 6 (n, %) | 12 (46.2) | 27 (55.1) | 10 (40) | 0.44 |
SLE: systemic lupus erythematosus; SLEQoL: systemic lupus erythematosus quality of life; FACIT: functional assessment of chronic illness therapy; PHQ-9: patient health questionnaire; PSQI: Pittsburgh's sleep quality index. PHQ − 9 > 9 indicates moderate-severe depressive symptom; PSQI ≥ 6 indicates poor sleeper.