Table 5

Distribution of patients and bleeding events across the risk categories of each bleeding risk model

Risk category	VTE-bleed			AF-bleed			HAS-BLED			ATRIA			ORBIT
Risk category	Distribution of points	n/total	IR with 95% CI	Distribution of points	n/total	IR with 95% CI	Distribution of points	n/total	IR with 95% CI	Distribution of points	n/total	IR with 95% CI	Distribution of points	n/total	IR with 95% CI
Low	≤1 points	–	–	≤2 points	36/298	8.1 (5.7 to 11.2)	0 points	10/106	7.6 (3.7 to 14.0)	0–3 points	81/584	8.9 (7.1 to 11.1)	≤2 points	130/892	9.4 (7.9 to 11.2)
Medium	N/A	N/A	N/A	N/A	N/A	N/A	1–2 points	126/837	9.5 (7.9 to 11.3)	4 points	26/194	8.7 (5.7 to 12.8)	3 points	48/243	13.6 (10.1 to 18.1)
High	≥2 points	215/1304	11.0 (9.6 to 12.5)	≥3 points	179/1006	11.8 (10.2 to 13.7)	≥3 points	79/361	15.7 (12.4 to 19.5)	≥5 points	108/526	14.3 (11.7 to 17.3)	≥4 points	37/169	16.4 [11.5 to 22.6)
Total		215/1304	11.0 (9.6 to 12.5)		215/1304	11.0 (9.6 to 12.5)		215/1304	11.0 (9.6 to 12.5)		215/1304	11.0 (9.6 to 12.5)		215/1304	11.0 (9.6 to 12.5)

AF, atrial fibrillation; IR, incidence rate; N/A, not applicable; n/total, number of bleeding events/ total number of patients in the corresponding risk category; VTE, venous thromboembolism.