Table 4.

ABH-Score

Risk factor	HR (95% CI)	P value	Score
Age groups
<65 years	1.00 (reference)
65–75 years	1.666 (1.398 to 1.998)	<0.001	1 for age 65–75
75 years	2.681 (2.109 to 3.287)	<0.001	2 for age >75
History of bleeding	2.208 (1.914 to 2.447)	<0.001	2
Hospitalisation (non-bleeding related) last 12 months	1.365 (1.215 to 1.486)	<0.001	1

Distribution with in score	Total N	No. of events	1-year cumulative risk (%)
0	1948 (9.2)	28	2.34
1	4704 (22.1)	139	4.48
2	6 352 (29.9)	341	7.13
3	5 864 (27.6)	450	11.46
4	946 (4.5)	116	19.35
5	1 434 (6.7)	183	20.29