MRIs | Anti-AQP4 (+) | Anti-AQP4 (-) | Total | P value |
---|---|---|---|---|
n = 14 | n = 17 | n = 31 | ||
Brainstem lesions | ||||
Sagittal view | ||||
 Pons | 6/14 (42.86 %) | 8/17 (47.06 %) | 14/31 (45.16 %) | 0.551 |
 Midbrain | 3/14 (21.43 %) | 5/17 (29.41 %) | 8/31 (25.81 %) | 0.466 |
 Medulla | 11/14 (78.57 %) | 6/17 (35.29 %) | 17/31 (54.84 %) | 0.019 |
Axial view | ||||
 Dorsal | 11/14 (78.57 %) | 7/17 (41.17 %) | 18/31 (58.06 %) | 0.04 |
 Ventral | 3/14 (21.43 %) | 10/17 (58.82 %) | 13/31 (41.94 %) | 0.04 |
Periependymal region | 3/14 (21.43Â %) | 1/17 (5.88Â %) | 4/31 (12.90Â %) | 0.228 |
Area postrema | 4/14 (28.57Â %) | 3/17 (17.64Â %) | 7/31 (22.58Â %) | 0.383 |