[Retracted] Evaluation of ABC Bleeding Score and SAMe-TT2R2 Score on the Risk of Bleeding after Anticoagulation in Patients with Nonvalvular Atrial Fibrillation Complicated with Coronary Heart Disease

Table 3

Comparison of bleeding events in two different stratification scores (number of cases (%)).

	ABC bleeding score				SAMe-TT2R2 score
	Low-risk group (5 cases)	Intermediate risk group (83 cases)	High-risk group (61 cases)	P value	£3 points (24 cases)	4 points (46 cases)	5 points (53 cases)	³6 points (26 cases)	P value
Total bleeding events	0	7 (8.4)	25 (41.0)	0.000	3 (12.5)	7 (15.2)	13 (24.5)	9 (34.6)	0.160
Intracerebral hemorrhage	0	0	2 (3.3)		0	0	1 (1.9)	1 (3.8)
Gastrointestinal bleeding	0	4 (4.8)	13 (21.3)		1 (4.2)	5 (10.9)	7 (13.2)	4 (15.4)
Other bleeding	0	3 (3.6)	10 (16.4)		2 (8.3)	2 (4.3)	5 (9.4)	4 (15.4)