Table 1.

Event Rate of Different Outcomes According to Treatment Stratification

Outcome	No treatment (n=1069)	Oral anticoagulants (n=283)	Adjusted HR*	Antiplatelet therapy (n=214)	Adjusted HR †
Ischemic stroke			0.61 (0.42–0.89)		1.13 (0.81–1.56)
No. of events	52	10		15
Person‐y	1068.81	327.18		271.16
Event rate (95% CI)	48.69 (37.10–63.89)	30.56 (16.45–56.81)		55.32 (33.35–91.76)
Thromboembolism			0.60 (0.43–0.84)		1.11 (0.84–1.48)
No. of events	68	12		18
Person‐y	1065.08	325.29		263.12
Event rate (95% CI)	63.84 (50.34–80.97)	36.89 (20.95–64.96)		68.41 (43.10–108.58)
Intracerebral hemorrhage			1.15 (0.66–2.02)		1.81 (1.07–3.04)
No. of events	17	4		7
Person‐y	1066.18	335.15		274.24
Event rate (95% CI)	15.94 (9.91–25.65)	11.94 (4.48–31.80)		25.52 (12.17–53.54)
Major bleeding event			1.40 (0.99–1.98)		1.10 (0.77–1.58)
No. of events	42	11		11
Person‐y	1051.00	301.22		271.86
Event rate (95% CI)	39.96 (29.53–54.07)	33.50 (18.55–60.50)		40.46 (22.41–73.06)
All‐cause mortality			0.85 (0.72–1.01)		0.88 (0.75–1.03)
No. of events	235	48		45
Person‐y	1087.31	336.22		278.89
Event rate (95% CI)	216.13 (190.19–245.61)	142.77 (107.59–189.45)		161.35 (120.47–216.11)

HR indicates hazard ratio.

^*Hazard ratio between oral anticoagulants and no treatment.

^† Hazard ratio between antiplatelet therapy and no treatment.