Table 3.
Nystagmus characteristics, null point, and caloric test of patients with HSC-Hcu.
| NO. | Sex | Age | Strong side during the SRT | NP1 | NP2 | NP3 | CP/D |
|---|---|---|---|---|---|---|---|
| 1 | F | 47 | R | − | L | L | +/L |
| 2 | F | 72 | R | − | L | L | − |
| 3 | F | 76 | L | − | R | − | ND |
| 4 | M | 74 | L | − | L | − | − |
| 5 | F | 62 | R | − | R | R | − |
| 6 | M | 70 | R | − | R | R | − |
| 7 | M | 78 | L | − | R | R | +/R |
| 8 | F | 76 | L | − | R | R | +/L |
| 9 | M | 68 | L | + | L | L | +/R |
| 10 | M | 64 | R | − | L | L | − |
| 11 | F | 72 | L | − | L | L | +/L |
| 12 | M | 90 | − | + | R | R | − |
| 13 | M | 59 | L | − | R | R | − |
| 14 | F | 71 | L | + | R | R | +/L |
| 15 | M | 71 | R | + | R | R | +/L |
| 16 | M | 42 | R | − | L | − | +/L |
| 17 | F | 72 | L | − | R | R | − |
| 18 | F | 67 | L | − | R | − | +/R |
| 19 | F | 66 | L | − | L | L | − |
| 20 | M | 83 | R | − | L | − | − |
| 21 | M | 69 | L | + | L | L | +/R |
| 22 | M | 71 | − | − | L | L | − |
| 23 | M | 70 | L | − | L | − | +/L |
| 24 | F | 51 | L | + | L | L | − |
| 25 | F | 62 | R | − | L | − | − |
| 26 | F | 54 | R | + | L | L | − |
| 27 | F | 68 | L | + | L | L | − |
| 28 | M | 72 | R | − | R | R | − |
| 39 | F | 62 | L | − | L | L | − |
| 30 | F | 70 | L | − | R | − | − |
| 31 | F | 73 | R | + | L | L | − |
| 32 | F | 74 | R | + | L | L | − |
| 33 | M | 59 | L | + | L | L | − |
| 34 | M | 53 | − | + | R | R | +/R |
| 35 | F | 61 | R | − | R | R | − |
| 36 | M | 76 | L | + | R | R | − |
| 37 | M | 81 | L | − | L | − | +/R |
| 38 | M | 73 | R | + | R | − | +/L |
| 39 | M | 80 | R | + | L | L | +/R |
| 40 | M | 72 | L | − | R | − | − |
| 41 | F | 63 | L | − | L | L | ND |
| 42 | F | 75 | R | − | R | R | |
| 43 | M | 47 | R | − | L | − | +/L |
| 44 | F | 70 | R | + | L | − | − |
| 45 | M | 82 | R | + | R | R | − |
| 46 | M | 71 | L | − | R | − | − |
| 47 | F | 59 | R | − | R | − | − |
−, no nystagmus observed on the supine position or the same nystagmus intensity on right and left roll tests or with canal paresis value < 25%. +, null point found or with canal paresis value ≥ 25%. CP, canal paresis; D, direction; HSC-Lcu, horizontal semicircular canal light cupula; F, female; L, left side; M, male; ND, not done; No., the serial number of patients; NP1, first null point; NP2, second null point; NP3, third null point; R, right side; SRT, supine roll test.