Research Article

Subjective Visual Vertical in PD Patients with Lateral Trunk Flexion

Table 1

Comparison of clinical features and demographic factors in PD patients with and without LTF (controls) and PD patients with LTF.

ControlsLTF values
AllNormal SVVPathological SVVControls versus all LTFNormal SVV versus pathological SVV

921714
SVV angles
(degree)
0.8 (0.1–1.9)4.3 (0.1–17.7)1.2 (0.1–2.0)6.5 (2.8–17.7)<0.001<0.001
LTF type
(mobile/fixed)
n/a10/110/710/4n.a.<0.01
LTF onset
(before PD/after PD)
n/a10/110/710/4n.a.<0.01
LTF angles
(degree)
n/a16
(10–48)
10
(10–21)
14
(10–48)
n.a.0.56
LTF
(R/L)
n/a14/73/411/3n.a.0.16
PD onset (R/L/bil)5/3/110/11/02/5/08/6/00.230.36
Age
(years)
0.530.79
Sex
(m/f)
8/111/103/48/60.100.66
Age at onset
(years)
0.370.15
Disease duration
(years)
0.550.32
LEDD
(mg)
725 (300–1260)1023 (330–2333)1070 (725–2333)850 (330–2070)0.150.10

Mean SD or median (range). Mann-Whitney test, Fisher’s exact test, Chi square test, and Welch’s -test. Median (range) or mean SD. R: right; L: left; bil: bilateral; LEDD: levodopa equivalent daily dosage.