Table 3.
Polymorphic analysis of PD patients with or without tremor.
| PD with tremor (n = 325) | PD without tremor (n = 45) | P | ||
|---|---|---|---|---|
| Men, n (%) | 165 (50.8) | 23 (51.1) | 0.966a | |
| Age at onset, year (IR) | 64 (56–72) | 64 (53.5–72) | 0.629b | |
| Duration, year (IR) | 1 (0–4) | 1 (0–4) | 0.278b | |
| 5-HTTLPR | SS, n (%) | 181 (55.7) | 24 (53.3) | 0.887a |
| SL, n (%) | 104 (32.0) | 14 (31.1) | ||
| LL, n (%) | 21 (6.5) | 3 (6.7) | ||
| Rare, n (%) | 19 (5.8) | 4 (8.9) | ||
| rs25531 | AA, n (%) | 257 (79.1) | 29 (64.4) | 0.014a |
| AG, n (%) | 66 (20.3) | 14 (31.1) | ||
| GG, n (%) | 2 (0.6) | 2 (4.4) | ||
IR, interquartile range; PD, Parkinson's disease.
a
Analyzed by Chi square test.
b
Analyzed by Mann-Whitney test.