Table 4.
Multivariate risk analysis for PD with tremora.
| Factors | Genotype | B | P | OR | 95% CI | |
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| rs25531 | 0.030 | |||||
| AG vs. AA | −0.631 | 0.074 | 0.532 | 0.266 | 1.064 | |
| GG vs. AA | −2.182 | 0.032 | 0.113 | 0.015 | 0.831 | |
| Constant | 2.182 | < 0.001 | 8.862 | |||
| rs25531 | GG+AG vs. AA | −0.735 | 0.031 | 0.480 | 0.246 | 0.934 | 
| Constant | 2.182 | < 0.001 | 8.862 | |||
CI, confidence interval; OR, odds ratio; PD, Parkinson's disease.
Analyzed by binary logistic regression with gender, age at onset, disease duration, 5-HTTLPR, rs25531, and the interaction between the two polymorphisms as covariates.