Table III.

Relation of age at menopause to 10 year risk of atrial fibrillation.

Variable	Hazard Ratio	95% CI	P
Per standard deviation of menopausal age
Menopausal age	0.94	0.83 – 1.06	0.29
Multivariable-adjusted‡	0.97	0.86 – 1.09	0.60
Early Menopause (<45) v. Late Menopause (>53)
Menopausal age	1.20	0.74 – 1.94	0.52
Multivariable-adjusted	1.05	0.64 – 1.73	0.84
Early Menopause (<45) v. Mid Menopause (45 to 53)
Menopausal age	1.38	0.93 – 2.04	0.11
Multivariable-adjusted	1.15	0.76 – 1.72	0.51

^*The 2,662 baseline examinations correspond to pooled examinations from 1,809 unique individuals.

^‡The multivariable covariates are body mass index, hypertension, cardiac murmur, prevalent heart failure, and PR interval.