Gastrointestinal Hemorrhage in Warfarin Anticoagulated Patients: Incidence, Risk Factor, Management, and Outcome

Table 4

Incidence of gastrointestinal bleeding in relation to age.

Age	Events	Patients	Follow-up (months)	Events/patient-years
≤40	0	0	869	0
41–50	2	2	1273	1.8
51–60	6	5	2336	3.0
61–70	5	4	2115.5	2.8
71–80	13	10	3667	4.2
>80	17	15	2806.1	7.2