Comparative Study of Multiple High-Signal-Intensity Spots on 3D and 2D Magnetic Resonance Sialography for Patients with Sjögren’s Syndrome

Table 1

MR-S staging by sagittal images of 98 sides.

	Stage 0	Stage 1	Stage 2	Stage 3	Stage 4	Sensitivity (%) [95% CI]
3D MR-S (sagittal)	21	40	24	12	1	78.6 [69.1–86.2]	< 0.001^a
2D MR-S (sagittal)	58	10	22	7	1	40.8 [31.0–51.2]

,  < 0.001, comparison of sensitivities of 3D and 2D MR-S by ^aFisher’s exact test. MR-S: magnetic resonance sialography; CI: confidence interval.