| Multivariate Cox regression models | |||
---|---|---|---|---|
 | HR | 95% Cl | P value | |
Model 1: + BMI, type of AF | ||||
PACS1-day (per unit increase) |  | 1.11 | 1.05–1.18 | 0.0003 |
Model 2: + BMI, type of AF | ||||
PACS1-day ≥ -12% |  | 2.53 | 1.54–4.16 | 0.0003 |
Model 3A: + BMI, type of AF | ||||
PACS1-day quartiles all effect |  | 4.23 | 2.08–8.75 |  < 0.0001 |
Model 3B: + BMI, type of AF | ||||
PACS1-day Q1(reference) | Â | 1 | Â | Â |
Q2 |  | 0.96 | 0.46–2.01 | 0.92 |
Q3 |  | 1.85 | 0.93–3.68 | 0.08 |
Q4 |  | 3.82 | 1.90–7.68 | 0.0002 |
Model 3C: + BMI, type of AF | ||||
PACS1-day Q4 (reference) | Â | 1 | Â | Â |
Q3 |  | 0.48 | 0.26–0.92 | 0.03 |
Q2 |  | 0.25 | 0.12–0.51 | 0.0001 |
Q1 |  | 0.26 | 0.13–0.53 | 0.0001 |