Table 1.

Risk factors for atrial fibrillation in elderly patients with type 2 diabetes mellitus

Variable	Unadjusted HR (95% CI)	P value	Adjusted HR (95% CI)*	P value
Aspirin use	1.30 (0.92 to 1.83)	0.13	1.26 (0.87 to 1.81)	0.22
Age	1.04 (1.02 to 1.06)	<0.0001	1.04 (1.02 to 1.06)	0.001
Sex (men)	1.13 (0.80 to 1.59)	0.50	0.99 (0.60 to 1.62)	0.96
Systolic blood pressure	1.01 (1.00 to 1.02)	0.04	1.01 (0.99 to 1.02)	0.33
BMI	1.03 (0.98 to 1.07)	0.25	1.03 (0.97 to 1.08)	0.35
HbA1c	0.87 (0.74 to 1.00)	0.06	0.99 (0.84 to 1.14)	0.86
Smoking history (current or past)	1.27 (0.90 to 1.78)	0.17	1.50 (0.93 to 2.42)	0.10
Antihypertensive drug use	1.74 (1.22 to 2.49)	0.002	1.38 (0.91 to 2.09)	0.13
Antidiabetic drug use	0.74 (0.50 to 1.11)	0.14	0.96 (0.61 to 1.52)	0.86
Statin use	0.89 (0.60 to 1.32)	0.56	0.87 (0.57 to 1.34)	0.52
Duration of diabetes	0.98 (0.95 to 1.00)	0.12	0.97 (0.94 to 1.00)	0.08

*Cox proportional hazards model with adjustments for the listed variables.

BMI, body mass index.