Table 4.

Comparison of observational studies including elderly patients with acute coronary syndrome

Ref.	Cohort	Mean age (yr)	Invasive strategy (%)	In-hospital mortality (%)	Major bleeding (%)	MACEs (%)
Rosengren et al[13], 2006	NSTE-ACS, STE-ACS	N/A; 25% of patients > 75 yr	34.6	4.7; 9.7 in patients 75 yr	N/A	N/A
Devlin et al[22], 2008	NSTE-ACS	66	38	5.8	2.4	9.2
Nagata et al[19], 2017	NSTE-ACS (Elderly group 80 yr)	73	79	8.5	0	9.9
Toleva et al[32], 2015	STE-ACS (Elderly group 75 yr)	82.2	70.1	14.2	13	27.6

NSTE-ACS: Non ST-elevation acute coronary syndrome; STE-ACS: ST-elevation acute coronary syndrome; MACEs: Major adverse cardiovascular events; N/A: Not available.