Table 2 Dose relation analysis for new-onset AF.

From: Age and CHADS2 Score Predict the Effectiveness of Renin-Angiotensin System Blockers on Primary Prevention of Atrial Fibrillation

Variables

No. of patients

No. of patients with AF

Incidence rate (per 1000 person-yrs)

Adjusted HR

(95% CI)

P value

Non-users (<28 days)

11,162

782

9.6

   

RAS blockers users

11,162

693

7.2

0.64

(0.58-0.71)

<0.001

28-365 days

2,626

175

8.8

0.77

(0.65-0.90)

0.002

>365 days

8,536

518

6.8

0.60

(0.54-0.67)

<0.001

pure ACEIs users

2,744

155

7.5

0.80

(0.67-0.94)

0.007

pure ARBs users

1,747

84

5.4

0.64

(0.51-0.80)

<0.001

mixed users

6,671

454

7.6

0.77

(0.69-0.86)

<0.001