Table 1 Clinical findings in 38 JIA patients with 76 symptomatic posterior iliac crests

Sex

   Male

15 (39%)

   Female

23 (61%)

Subgroups

   Enthesitis related arthritis

27 (71%)

   RF-negative polyarthritis

5 (13%)

   Psoriasis arthritis

4 (10%)

   Systemic

1 (3%)

   Oligoarthritis

1 (3%)

Age, years

13

7-18

Disease duration, months

26

0-116

Duration of focal pain, months

6.5

1-48

Iliac crests (n = 76) with palpable tenderness

76 (100%)

HLA B27 positive, number of patients

14 (37%)

Second-line drug therapy

   Methotrexate

7 (22%)

   Sulphasalazine

4 (13%)

Biologic therapies and Methotrexate

   Adalimumab

8 (26%)

   Etanercept

5 (16%)

   Infliximab

4 (13%)

Systemic corticosteroids and Methotrexate

3 (10%)