Table 3 Open in new tab Outcomes...

Table 3

Outcomes registry for better informed treatment bleeding risk score and observed major bleeding rates

ORBIT bleeding score	Total number	Number of major bleeds	Patient-years	Bleeds per 100 patient-years (95% CI)	ORBIT bleeding score* category	Total number	Number of major bleeds	Patient-years	Bleeds per 100 patient-years
0	1064	37	2154	1.7 (1.2–2.4)	Low (0–2)	4341	206	8711	2.4
1	1701	79	3426	2.3 (1.9–2.9)
2	1576	90	3131	2.9 (2.3–3.5)
3	1351	123	2593	4.7 (4.0–5.6)	Medium (3)	1351	123	2593	4.7
4	1038	130	1901	6.8 (5.8–8.1)	High (≥4)	1719	252	3096	8.1
5	458	74	822	9.0 (7.2–11.2)
6	173	36	293	12.3 (9.0–16.7)
7	50	12	80	14.9 (8.9–25.3)
Overall	7411	581	14 399	4.0

ORBIT bleeding score	Total number	Number of major bleeds	Patient-years	Bleeds per 100 patient-years (95% CI)	ORBIT bleeding score* category	Total number	Number of major bleeds	Patient-years	Bleeds per 100 patient-years
0	1064	37	2154	1.7 (1.2–2.4)	Low (0–2)	4341	206	8711	2.4
1	1701	79	3426	2.3 (1.9–2.9)
2	1576	90	3131	2.9 (2.3–3.5)
3	1351	123	2593	4.7 (4.0–5.6)	Medium (3)	1351	123	2593	4.7
4	1038	130	1901	6.8 (5.8–8.1)	High (≥4)	1719	252	3096	8.1
5	458	74	822	9.0 (7.2–11.2)
6	173	36	293	12.3 (9.0–16.7)
7	50	12	80	14.9 (8.9–25.3)
Overall	7411	581	14 399	4.0

*ORBIT bleeding risk score components (point value) = Older than 74 (1), Reduced hemoglobin/Anemia (2), Bleeding history (2), Insufficient kidney function [<60 ml/min/1.73 meters²] (1), Treatment with Antiplatelet (1). Abnormal hemoglobin (<13 mg/dL for males and <12 mg/dL for females) or hematocrit (<40% for males and <36% for females).

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