Table 1.
Demographic characteristics of SLE patients.
| n | % | |
|---|---|---|
| Age | ||
| <30 | 208 | 26.2 |
| 30–45 | 318 | 40.0 |
| ≥45 | 269 | 33.8 |
| Mean ± SD | 40 ± 13.3 | |
| Sex | ||
| Female | 715 | 89.9 |
| Male | 80 | 10.1 |
| Hypertension | 54 | 6.8 |
| Hyperlipidemia | 22 | 2.8 |
| Chronic liver disease | 42 | 5.3 |
| Chronic kidney disease | 4 | 0.5 |
| COPD | 26 | 3.3 |
| Diabetes | 20 | 2.5 |
| Usage of HCQ (days) | ||
| Low (<105) | 264 | 33.2 |
| Median (105–318) | 265 | 33.3 |
| High (≥318) | 266 | 33.5 |
| Cumulative HCQ dose (mg) | ||
| Low (<30,800) | 263 | 33.1 |
| Median (30,800–100,267) | 267 | 33.6 |
| High (≥100,267) | 265 | 33.3 |
| MPR of HCQ | ||
| Low (<0.29) | 264 | 33.2 |
| Median (0.29–0.87) | 265 | 33.3 |
| High (≥0.87) | 266 | 33.5 |
COPD: chronic obstructive pulmonary disease; HCQ: hydroxychloroquine; MPR: Medication possession ratio; SLE: Systemic lupus erythematosus; SD: Standard deviation.