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.
Controls
LTF
values
All
Normal SVV
Pathological SVV
Controls versus all LTF
Normal SVV versus pathological SVV
9
21
7
14
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/a
10/11
0/7
10/4
n.a.
<0.01
LTF onset (before PD/after PD)
n/a
10/11
0/7
10/4
n.a.
<0.01
LTF angles (degree)
n/a
16 (10–48)
10 (10–21)
14 (10–48)
n.a.
0.56
LTF (R/L)
n/a
14/7
3/4
11/3
n.a.
0.16
PD onset (R/L/bil)
5/3/1
10/11/0
2/5/0
8/6/0
0.23
0.36
Age (years)
0.53
0.79
Sex (m/f)
8/1
11/10
3/4
8/6
0.10
0.66
Age at onset (years)
0.37
0.15
Disease duration (years)
0.55
0.32
LEDD (mg)
725 (300–1260)
1023 (330–2333)
1070 (725–2333)
850 (330–2070)
0.15
0.10
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.