Table 1 Baseline risk factors for sialorrhea.

From: STN-DBS does not increase the risk of sialorrhea in patients with advanced Parkinson’s disease

Variable

HRa

95% CI (lower-upper)

P value

Male sex

1.6

1.1–2.3

0.006

Hoehn and Yahr stage

2.6

1.3–5.3

0.006

Dysphagia

3.5

1.6–7.8

0.002

Disease duration

0.99

0.95–1.05

0.9

UPDRS III off-med

1.0

0.97–1.03

0.9

UPDRS III on-med

1.02

0.99–1.04

0.2

STN-DBS

1.4

0.7–2.8

0.3

  1. HR hazard ratio, CI confidence interval, med medication.
  2. aAdjusted for variables in the final Cox regression model: male sex, Hoehn and Yahr stage, dysphagia.
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