Patient characteristics
| Characteristics | Patients | P Value* | |||
|---|---|---|---|---|---|
| All (n = 67) | With Positive DW Findings (n = 47) | With Negative DW Findings (n = 20) | |||
| Demographic | |||||
| Sex | .382 | ||||
| Male | 47 (70) | 31 (66) | 16 (80) | NA | |
| Female | 20 (30) | 16 (34) | 4 (20) | NA | |
| Age (y)† | 67 ± 9.1 (44–86) | 66 ± 9.3 (44–86) | 70 ± 7.8 (57–86) | .076 | |
| Medical history | |||||
| Hypertension | 57 (85) | 39 (83) | 18 (90) | .711 | |
| Coronary artery disease | 45 (67) | 30 (64) | 15 (75) | .412 | |
| Peripheral vascular disease | 35 (52) | 26 (55) | 9 (45) | .594 | |
| Diabetes mellitus | 28 (42) | 21 (45) | 7 (35) | .591 | |
| Hypocholesterolemia | 53 (79) | 39 (83) | 14 (70) | .325 | |
| Cardiac arrhythmia | 20 (30) | 14 (30) | 6 (30) | >.99 | |
| T2-weighted MR imaging | |||||
| Cerebral atrophy | 46 (69) | 31 (66) | 15 (75) | .571 | |
| Subcortical arteriosclerotic encephalopathy | 58 (87) | 41 (87) | 17 (85) | >.99 | |
| Cerebral infarction | |||||
| Ipsilateral | 13 (19) | 8 (17) | 5 (25) | .507 | |
| Contralateral | 9 (13) | 7 (15) | 2 (10) | .714 | |
Note.—Data in parentheses are percentages, unless otherwise specified.
* NA indicates not applicable.
† Data are the mean ± SD. Data in parentheses are the range.