Table 1: Number of patients with normal, equivocal, or pathologic findings at initial and repeat CT, in 334 patients with suspected sacroiliitis.

Examination numberNormalEquivocalUnilateral sacroiliitisBilateral sacroiliitisTotal

1230 (68.9%)61 (18.3%)22 (6.6%)21 (6.3%)334 (100%)
2223 (66.8%)60 (18.0%)14 (4.2%)37 (11.1%)334 (100%)
33851347
46118