Table 2.

Atrial fibrillation and risk of all-cause death and cardiovascular death after myocardial infarction. Results are presented as hazard ratios and 95% confidence intervals.

	Prior AF	Early AF	Intermediate AF	Late AF	P value*
Death
Unadjusted	3.50 (3.03, 4.05)	3.02 (2.55, 3.58)	2.95 (2.36, 3.68)	5.25 (4.51, 6.10)	<0.001
Model 1†	1.68 (1.44, 1.95)	1.82 (1.54, 2.17)	2.20 (1.76, 2.75)	3.25 (2.79, 3.78)	<0.001
Model 2‡	1.46 (1.26, 1.70)	1.63 (1.37, 1.93)	1.81 (1.45, 2.27)	2.58 (2.21, 3.00)	<0.001
Death within 30 days post MI
Unadjusted	2.42 (1.78, 3.30)	3.72 (2.70, 5.12)	7.68 (4.91,12.01)	Not applicable	<0.001
Model 1†	1.21 (0.88, 1.66)	2.19 (1.58, 3.04)	5.86 (3.74, 9.17)	Not applicable	<0.001
Model 2‡	1.13 (0.82, 1.55)	2.02 (1.46, 2.80)	4.99 (3.18, 7.82)	Not applicable	<0.001
Death among 30 day survivors
Unadjusted	3.99 (3.38, 4.73)	2.84 (2.32, 3.48)	2.52 (1.94, 3.28)	5.22 (4.46, 6.11)	<0.001
Model 1†	1.88 (1.58, 2.24)	1.73 (1.41, 2.13)	1.81 (1.39, 2.35)	3.21 (2.74,3.76)	<0.001
Model 2‡	1.59 (1.33, 1.89)	1.51 (1.23, 1.85)	1.47 (1.13, 1.92)	2.54 (2.17, 2.98)	<0.001
Cardiovascular death among 30 day survivors
Unadjusted	3.88 ( 3.07, 4.91)	3.33 (2.55, 4.33)	3.41 (2.48, 4.70)	5.77 (4.66, 7.16)	<0.001
Model 1†	1.91 (1.49, 2.43)	2.04 (1.56, 2.67)	2.49 (1.81, 3.44)	3.62 (2.92, 4.49)	<0.001
Model 2‡	1.55 (1.22, 1.98)	1.72 (1.32, 2.25)	1.94 (1.40, 2.68)	2.70 (2.17, 3.36)	<0.001

^*P value comparing the equality of prior, early, intermediate and late AF.

^†Adjusted for age, sex, and comorbidity as measured by the Charlson index

^‡Adjusted for age, sex, heart failure and comorbidity as measured by the Charlson index