Table 3.
Percentage frequency (positive cases/total cases examined) of abnormal objective findings in the patients examined
| Group | Hypotension | Orthostatic intolerance | Decreased skin temperature | Flattened digital plethysmography | Abnormality in cognitive function test | Focal abnormality of CBF in SPECT | |
|---|---|---|---|---|---|---|---|
| WAIS-III | TMT | ||||||
| Diagnosed 72 cases (positive cases/total cases examined) | 41.7 (30/72) | 70.8 (34/48) (OH 17, POTS 17) | 37.5 (21/56) | 70.2 (40/57) | 47.6 (10/21) | 43.8 (7/16) | 75.0 (12/16) |
| Definite 30 cases (positive cases/total cases examined) | 46.7 (14/30) | 83.3 (25/30) (OH 12, POTS 13) | 62.1 (18/29) | 86.2 (25/29) | 58.3 (7/12) | 50.0 (5/10) | 88.9 (8/9) |
| Probable 42 cases (positive cases/total cases examined) | 38.1 (16/42) | 50.0 (9/18) (OH 5, POTS 4) | 11.1 (3/27) | 53.6 (15/28) | 33.3 (3/9) | 33.3 (2/6) | 57.1 (4/7) |
| Undiagnosed 48 cases (positive cases/total cases examined) | 29.2 (14/48) | 50.0 (8/16) (OH 6, POTS 2) | 28.0 (7/25) | 36.0 (9/25) | 25.0 (2/8) | 14.3 (1/7) | 50.0 (3/6) |
CBF cerebral blood flow, OH orthostatic hypotension, POTS postural orthostatic tachycardia syndrome, SPECT single-photon emission computerized tomography, TMT Trail Making Test, WAIS-III Wechsler Intelligence Scale-Third Edition