Table 5

Radiological examinations of patients with follow up5-150

Acute disease Follow up
Patients (n) with lumbosacral radiology2044
Radiological finding normal18  (90)29  (66)
Abnormal2 (10)15 (34)
 Sacroiliitis grade I0 (0)9 (20)
 Sacroiliitis grade II2 (10)2 (5)
 Sacroiliitis grade III0 (0)2 (5)
 Sacroiliitis grade IV0 (0)2 (5)
 Lumbar spine
  Squaring0 (0)2 (5)
  Ankylosis0 (0)2 (5)
  • 5-150 Number (%) of patients.