Table 2.

Baseline PPMI cross-sectional multivariable linear regression analysis (n=389)

Dependent Variable: Baseline CSF Aβ-42 (pg/ml); Overall Model F=2.35, p=0.0305
Covariates	Beta	Standard Error	t-score	p-value	95% Confidence Interval for Beta values
Age in years	−0.810	0.533	−1.52	0.129	−1.859, 0.238
Male Sex	−28.971	11.002	−2.63	0.009	−50.603, −7.338
Disease duration in years	1.241	2.533	0.49	0.625	−3.740, 6.221
Years of Education	0.067	1.718	0.04	0.969	−3.311, 3.446
Geriatric Depression scale (GDS-15) score	−4.262	3.142	−1.36	0.176	−10.440, 1.915
(+) Serotonin medication status for ≥6 months	−35.874	16.341	−2.20	0.029	−68.004, −3.745