Table 3 Differences in MR imaging findings between MMA patients with different clinical subgroups.
MR imaging finding | The group by clinical screening (N, %) | χ2 | P | |
|---|---|---|---|---|
SS (18) | NS(19) | |||
Cerebral sulcus widened | 9 (50.0) | 8 (42.1) | 0.232 | 0.746 |
Cerebellar atrophy | 5 (27.8) | 2 (10.5) | 1.793 | 0.232 |
Brainstem thinning | 4 (22.2) | 1 (5.3) | 2.275 | 0.180 |
Corpus callosum thinning | 8 (44.4) | 7 (36.8) | 0.222 | 0.743 |
Cortical atrophy (sulcal widening) | 9 (50.0) | 6 (31.6) | 1.301 | 0.325 |
Ventricular dilation (0–3 grade) | ||||
0 | 12 (66.7) | 14 (73.7) | 1.128 | 0.770 |
Mild | 1 (5.6) | 2 (10.5) | ||
Moderate | 1 (5.6) | 1 (5.3) | ||
Severe | 4 (22.2) | 2 (10.5) | ||
Subcortical white matter change | 7 (38.9) | 7 (36.8) | 0.016 | 0.898 |
Periventricular white matter change | ||||
0 | 4 (22.2) | 4 (21.1) | 1.347 | 0.718 |
Mild | 12 (66.7) | 13 (68.4) | ||
Moderate | 1 (5.6) | 2 (10.5) | ||
Severe | 1 (5.6) | 0 | ||
Internal capsule change | 2 (11.1) | 2 (10.5) | 0.003 | 0.954 |
Signal change consistent with focal infarct | 0 | 3 (15.8) | 3.093 | 0.051 |
Abnormal signal in basal ganglia | 1 | 0 | − | − |
