Characteristics of patients with left and right arterial disease
| Left | Right | |||
| Abnormal | Normal | Abnormal | Normal | |
| No of patients (n) | 19 | 9 | 20 | 12 |
| Benzodiazepine receptor index (%) | ||||
| MCA territory (affected) | 17.5±12.7* | 8.9±12.7 | 49.3±36.2 | 37.0±31.9 |
| ACA territory | 15.7±16.0* | 3.7±5.5 | 22.2±17.6 | 15.4±17.4 |
| Cerebral blood flow (ml/100 g/min) | ||||
| MCA territory | 44.3±7.5 | 47.4±6.9 | 40.8±7.8 | 43.1±10.1 |
| ACA territory | 46.9±9.2 | 50.1±5.8 | 43.4±7.5 | 44.7±12.8 |
| Cerebral metabolic rate of oxygen (ml/100 g/min) | ||||
| MCA territory | 3.74±0.35 | 3.95±0.40 | 3.41±0.35 | 3.67±0.46 |
| ACA territory | 3.82±0.40 | 3.96±0.55 | 3.56±0.37 | 3.78±0.66 |
| Age (years) | 63±8 | 58±10 | 67±9 | 64±9 |
| Sex, male/female (n) | 12/7 | 7/2 | 16/4 | 10/2 |
| Arterial disease, internal carotid artery/MCA (n) | 14/5 | 7/2 | 14/6 | 8/4 |
| Symptomatic (n) | 11/8 | 6/3 | 12/8 | 7/5 |
| Subcortical infarction (n) | 15 | 6 | 16 | 8 |
| Size (mm2) | 97±98 | 155±241 | 176±252 | 132±191 |
| Frontal infarction (n) | 11 | 5 | 10 | 5 |
| Wisconsin Card Sorting Test parameters (n) | ||||
| Categories achieved | 1.2±1.1* | 4.7±1.0 | 1.5±0.9* | 4.2±1.0 |
| Total errors | 28.5±7.3* | 15.6±4.0 | 28.7±7.5* | 16.1±4.5 |
| Perseverative errors (Nelson) | 11.0±9.9* | 3.0±2.2 | 11.3±6.4* | 3.9±3.5 |
Values are mean±SD.
↵* p<0.05, Mann–Whitney U test.
Abnormal, low categories achieved on the Wisconsin Card Sorting Test; ACA, anterior cerebral artery; MCA, middle cerebral artery.