Table 2.
Nystagmus characteristics, null point, and caloric test of patients with HSC-Lcu.
| NO. | Sex | Age | Strong side during the SRT | NP1 | NP2 | NP3 | CP/D |
|---|---|---|---|---|---|---|---|
| 1 | F | 84 | L | + | L | L | ND |
| 2 | M | 75 | L | − | L | − | − |
| 3 | M | 72 | R | + | R | R | +/R |
| 4 | F | 47 | L | − | L | L | +/L |
| 5 | F | 55 | R | − | L | L | +/L |
| 6 | F | 60 | R | − | R | − | +/R |
| 7 | F | 74 | R | + | R | R | +/R |
| 8 | F | 55 | L | − | − | L | − |
| 9 | F | 63 | R | − | R | R | − |
| 10 | M | 59 | L | + | R | R | +/R |
| 11 | F | 77 | L | − | L | − | ND |
| 12 | F | 56 | R | − | R | R | +/R |
| 13 | F | 75 | R | + | R | R | +/R |
| 14 | F | 76 | R | − | R | − | +/R |
| 15 | F | 73 | L | + | L | L | +/L |
| 16 | F | 76 | L | − | L | L | − |
| 17 | F | 65 | R | + | R | R | +/R |
| 18 | F | 62 | L | − | L | − | +/L |
| 19 | F | 48 | L | − | L | − | ND |
| 20 | F | 63 | R | − | L | L | − |
| 21 | F | 43 | R | − | − | R | − |
| 22 | F | 78 | L | + | L | L | +/R |
| 23 | M | 59 | R | − | R | R | +/R |
| 24 | F | 59 | R | + | R | R | +/R |
| 25 | F | 69 | L | − | R | − | ND |
| 26 | M | 81 | L | + | L | L | − |
| 27 | M | 73 | R | − | L | L | +/R |
| 28 | F | 62 | L | + | R | − | − |
| 29 | M | 58 | R | + | R | R | − |
| 30 | M | 67 | R | − | R | R | +/R |
| 31 | F | 74 | L | − | L | − | +/L |
| 32 | M | 67 | − | + | R | R | − |
| 33 | M | 59 | R | + | L | − | +/L |
| 34 | M | 60 | L | − | L | L | +/L |
| 35 | F | 55 | L | − | − | L | − |
| 36 | F | 51 | R | + | R | R | − |
| 37 | M | 76 | L | − | R | − | +/L |
| 38 | F | 73 | R | − | L | − | +/L |
| 39 | F | 71 | R | + | R | R | − |
| 40 | F | 62 | L | − | L | − | +/R |
| 41 | F | 70 | R | − | L | L | +/L |
| 42 | F | 69 | R | + | R | R | − |
| 43 | M | 98 | R | − | − | R | +/R |
| 44 | F | 76 | L | + | L | L | − |
| 45 | F | 68 | L | + | R | R | +/R |
| 46 | F | 64 | R | + | L | L | − |
| 47 | F | 67 | R | + | R | R | − |
| 48 | M | 74 | L | − | L | L | − |
| 49 | M | 51 | − | − | L | − | +/L |
| 50 | F | 69 | L | − | L | L | − |
| 51 | M | 74 | L | + | L | L | +/L |
| 52 | M | 72 | R | − | 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.