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Table 4 Incidence and adjusted hazard ratio of Parkinson's disease stratified by medication in patients with ankylosing spondylitis

From: Positive association of Parkinson’s disease with ankylosing spondylitis: a nationwide population-based study

Medication exposed

N

Event

PY

Rate

Crude HR

(95% CI)

Adjusted HR

(95% CI)

Without ankylosing spondylitis

25,760

210

170,858

1.23

1 (Reference)

1 (Reference)

Ankylosing spondylitis

 Without Immunosuppressant therapy

5158

92

34,682

2.65

2.16 (1.69, 2.76)***

1.70 (1.32, 2.18)***

 With Immunosuppressant therapy

1282

10

8569

1.17

0.95 (0.50, 1.79)

2.40 (1.26, 4.56)** 

 Without Biological therapy

6403

102

43,029

2.37

1.93 (1.53, 2.45)***

1.75 (1.38, 2.23)***

 With

Biological therapy

37

0

223

 

  1. Rate per 1000 person-year; Crude HR, relative hazard ratio
  2. Model was adjusted for age and comorbidities of diabetes, hypertension, hyperlipidemia, stroke, depression, coronary artery disease, head injury, and chronic kidney disease and medication of NSAIDs
  3. *p < 0.05, **p < 0.01, ***p < 0.001