Demographic characteristics and frequency analysis of MRI findingsa
| Variables | Total (n = 225) | MSA-C (n = 153) | SCA (n = 72) | P Values |
|---|---|---|---|---|
| Clinical features | ||||
| Agea | 59 (53–65) | 60 (56–67) | 53 (44–61) | <.001 |
| Disease duration (yr)a | 3 (1–5) | 2 (1–3.3) | 5 (2–11) | <.001 |
| Sex | ||||
| Male | 124 (55)b | 79 (52) | 45 (63) | .204 |
| Female | 101 (45) | 74 (48) | 27 (38) | |
| Imaging features | ||||
| Scanner | .053 | |||
| A | 182 (81) | 119 (78) | 63 (88) | |
| B | 6 (2.7) | 4 (2.6) | 2 (2.8) | |
| C | 36 (16) | 30 (20) | 6 (8.3) | |
| D | 1 (0.4) | 0 (0.0) | 1 (1.4) | |
| ICP sign | 105 (47) | 100 (65) | 5 (6.9) | <.001 |
| HCB sign | 129 (57) | 110 (72) | 19 (26) | <.001 |
| MCP sign | 164 (73) | 134 (88) | 30 (42) | <.001 |
| Cerebellar atrophy | 191 (85) | 135 (88) | 56 (78) | .065 |
| Vertical line | 180 (80) | 132 (86) | 48 (67) | .011 |