Table 1.
Basic characteristics of the study population (n=9).
| Characteristics | Values | ||
| Age (years) | |||
|
|
Mean (SD) | 34.1 (8.8) | |
|
|
Median (IQR) | 31.5 (14.8) | |
| Interval (years; from diagnosis date to the index date) | |||
|
|
Mean (SD) | 3.3 (2.6) | |
|
|
Median (IQR) | 3.5 (3.6) | |
| Sex, n (%) | |||
|
|
Male | 6 (67) | |
|
|
Female | 3 (33) | |
| Comorbidity, n (%) | |||
|
|
Diabetes mellitus | 1 (11) | |
|
|
Hyperlipidemia | 3 (33) | |
|
|
Sciatica | 2 (22) | |
|
|
Asthma | 2 (22) | |
|
|
Arthropathy | 1 (11) | |
|
|
Psychological disorder | 1 (11) | |
|
|
Iridocyclitis | 1 (11) | |
| Concurrent medications, n (%) | |||
|
|
Cyclooxygenase-2 inhibitors | 8 (89) | |
|
|
Muscle relaxants | 4 (44) | |
|
|
Sulfasalazine | 6 (67) | |