Table 1.

Baseline characteristics for patients according to the presence or absence of atrial fibrillation

	Overall study population (n=4 602 264)
	Non-AF (n=4 447 593)	AF patients (n=154 671)
Female, n (%)*	2 270 728 (51.06%)	72 418 (46.82%)
Male, n (%)*	2 176 865 (48.94%)	82 253 (53.18%)
Age ≤50 years	2 863 317	7 417
Age >50–65 years	856 538	28 492
Age >65–75 years	351 023	38 233
Age >75 years	376 715	80 529
Median age (SD)	41.30 (20.17)	75.65 (12.76)
Median age for age ≤50 (SD)	31.05 (11–09)	43.50 (7.23)
Median age for age >50–65	56.05 (4.31)	59.68 (4.07)
Median age for age >65–75	69.71 (2.87)	70.58 (2.87)
Median age for age >75	82.05 (5.55)	82.71 (5.37)

*p<0.0001.

AF, atrial fibrillation.