Table 1.
Demographic and clinical records of patients enrolled in this preliminary study.
| Patient | Age | Sex | PSN | HPT-F | HPT-B | UHRT-R | UHRT-L | SST | HYT | Side and LSC arm involved | Onset time |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 55 | F | L | R | L | L | R | No | A-N | L-amp | 2-7 d |
| 2 | 60 | M | No | L | R | No | L | R | G-L | L-non-amp | > 7 d |
| 3 | 58 | M | L | R | L | R | L | L | G-R | R-non-amp | < 2 d |
| 4 | 50 | F | L | L | R | L | R | No | A-N | R-amp | 2-7 d |
| 5 | 52 | F | R | L | R | L | R | R | A-L | R-amp | < 2 d |
| 6 | 50 | F | No | L | R | R | L | R | G-L | L-non-amp | 2-7 d |
| 7 | 60 | F | L | R | L | R | L | L | G-R | R-non-amp | < 2 d |
| 8 | 35 | M | No | No | L | R | L | L | G-R | R-non-amp | > 7 d |
| 9 | 60 | M | R | R | L | R | L | L | G-R | R-non-amp | 2-7 d |
| 10 | 50 | F | No | L | R | L | R | No | A-N | R-amp | > 7 d |
| 11 | 62 | F | No | R | L | L | R | L | A-R | L-amp | > 7 d |
| 12 | 83 | M | No | R | No | R | L | L | G-R | R-non-amp | > 7 d |
A-L: apogeotropic nystagmus, more intense on the left side; A-N: apogeotropic nystagmus, no differences in intensity between right and left side; A-R: apogeotropic nystagmus, more intense on the right side; d: day(s); F: female; G-L : geotropic nystagmus; more intense on the left side; G-N: geotropic nystagmus; no differences in intensity between right and left side; G-R : geotropic nystagmus, more intense on the right side; HPTB: head pitch test backward; HPT-F: head pitch test forward; HYT: head yaw test; L: left-beating nystagmus; L-amp: ampullary arm of the left canal; L-non-amp: non-ampullary arm of the left canal; LSC: lateral semicircular canal; M: male; No: no nystagmus; PSN: pseudo-spontaneous nystagmus; R: right-beating nystagmus; R-amp: ampullary arm of the right canal; R-non-amp: non-ampullary arm of the right canal; SST: seated-supine test, UHRT-L: Upright Head Roll Test on the left side; UHRT-R: Upright Head Roll Test on the right side.