Table 1.
Subjects included in the study
| Feature | Cohort one | Cohort two | ||
|---|---|---|---|---|
| ERA | Control | ERA | Control | |
| N | 14 | 9 | 10 | 10 |
| Age (yrs)* | 14;7–17 | 10;7–18 | 14;8–16 | 12;9–17 |
| Male : female | 5 : 9 | 2 : 7 | 7 : 3 | 5 : 5 |
| BMI* | 26;17–35 | 19;14–24 | 20;15–27 | 19;15–32 |
| HLA-B27+ | 2 / 13 | ND | 4 / 10 | ND |
| Duration of drug therapy (months)* | 0;0–2 | NA | 4;0–27 | NA |
| Meds | ||||
| None | 5 | 11 | 0 | 11 |
| MTX alone | 6 | 0 | 3 | 0 |
| MTX, anti-TNF | 2 | 0 | 4 | 0 |
| Anti-TNF alone | 1 | 0 | 3 | 0 |
BMI = body mass index, ERA = enthesitis-related arthritis, NA = not applicable, ND = not done, TNF = tumor necrosis factor.
*
Continuous variables are shown as median;range.