TABLE 2.
Statin parameters | PSP risk,1 odds ratio (95% CI) | Age at symptom onset,2 B (95% CI) | PSP Rating Scale,3 B (95% CI) | UPDRS-Total,4 B (95% CI) | UPDRS-Part III,4 B (95% CI) | Dementia Rating Scale,5 B (95% CI) | Neuropsychiatric Inventory,4 B (95% CI) |
---|---|---|---|---|---|---|---|
Statin use | 0.65 (0.43–1.00), P = 0.050 | 1.00 (0.31–1.70), P = 0.005 | −3.80 (−7.03 to −0.56), P = 0.022 | −7.16 (−12.17 to −2.14), P = 0.005 | −4.48 (−7.89 to −1.06), P = 0.010 | 1.43 (−1.64 to 4.50), P = 0.36 | 0.55 (−2.42 to 3.53), P = 0.71 |
Type 1 statin use | 0.60 (0.35–1.03), P = 0.064 | 1.09 (0.18–1.99), P = 0.049 | −1.47 (−5.69 to 2.76), P = 0.50 | −5.61 (−12.14 to 0.92), P = 0.092 | −3.10 (−7.55 to 1.35), P = 0.17 | −0.16, (−4.11 to 3.80), P = 0.94 | 1.82 (−1.99 to 5.63), P = 0.35 |
Type 2 statin use | 0.81 (0.47–1.37), P = 0.43 | 0.61 (0.003–0.03), P = 0.17 | −4.87 (−8.95 to −0.80), P = 0.019 | −6.83 (−13.18 to −0.48), P = 0.035 | −4.66 (−8.98 to −0.35), P = 0.034 | 2.34 (−1.55 to 6.23), P = 0.24 | 0.56 (−3.13 to 4.25), P = 0.77 |
Age at first statin use | 0.84 (0.67–1.05), P = 0.12 | 0.06 (−0.003 to 0.13), P = 0.061 | 0.03 (−0.31 to 0.36), P = 0.88 | −0.19 (−0.69 to 0.30), P = 0.44 | −0.11 (−0.54 to 0.32), P = 0.61 | −0.04 (−0.42 to 0.34), P = 0.84 | −0.03 (−0.49 to 0.43), P = 0.90 |
Duration of statin use | 1.04 (0.88–1.22), P = 0.67 | −0.02 (−0.10 to 0.06), P = 0.59 | 0.13 (−0.35 to 0.60), P = 0.59 | 0.61 (−0.08 to 1.30), P = 0.083 | 0.36 (−0.12 to 0.85), P = 0.14 | −0.12 (−0.55 to 0.32), P = 0.59 | 0.01 (−0.55 to 0.57), P = 0.97 |
Bold indicates statistical significance. B values show the amount of increase in outcome measure with statin use (overall, types 1 and 2), and 1-year increase in age at first statin use or duration of statin use.
Confounding variables in the model: years of education, smoking, pack-years, years of drinking well water.
Confounding variables in the model: age, smoking, pack-years.
Confounding variable in the model: ethnicity.
Confounding variables in the model: age, years of education.
Confounding variables in the model: age, sex, years of education, years of drinking well water.
PSP, progressive supranuclear palsy; CI, confidence interval; B, unstandardized beta coefficient; UPDRS, Unified Parkinson’s Disease Rating Scale.