Acute myocardial infarction: Clinical features and outcomes in young adults in Singapore

Table 2 Clinical presentation, angiographic findings, procedural variables and clinical outcomes (in-hospital) of patients

	Overall (n = 333)	Malay (n = 59)	Chinese (n = 171)	Indian (n = 103)	P value
Presentation
Anterior STEMI	109 (32.7)	19 (32.2)	59 (34.5)	31 (30.1)	0.68
Inferior/posterior STEMI	112 (33.6)	14 (23.7)	59 (34.5)	39 (37.9)	0.08
NSTEMI	112 (33.6)	26 (44.1)	53 (31.0)	33 (32.0)	0.18
Number of diseased vessels on angiography
0	14 (4.2)	1 (1.7)	10 (5.8)	3 (2.9)	0.95
1	153 (45.9)	23 (39)	78 (45.6)	52 (50.5)	0.15
2	88 (26)	18 (30.5)	45 (26.3)	25 (24.3)	0.40
3	78 (23.4)	17 (28.8)	38 (22.2)	23 (22.3)	0.40
Left main	11 (3.3)	2 (3.4)	8 (4.7)	1 (1.0)	0.27
Procedural variables
DES:BMS	80:162 (33:67)	11:26 (29.7:70.3)	45:79 (36.3:63.7)	24:57 (29.6:70.4)	0.75
Mean number of stents	1.32 ± 0.65	1.41 ± 0.72	1.37 ± 0.69	1.21 ± 0.52	0.14
Mean stent diameter,mm	3.05 ± 0.64	3.03 ± 0.72	3.13 ± 0.57	2.94 ± 0.69	0.11
Stent length,mm	21.7 ± 6.9	21.4 ± 7.3	22.4 ± 7.1	20.8 ± 6.4	0.25
Clinical outcomes
All-cause mortality	4 (1.2)	0 (0)	2 (1.2)	2 (1.9)	0.27
Congestive heart failure	10 (3.0)	2 (3.4)	3 (1.8)	5 (4.9)	0.43
Major arrhythmic event	24 (7.2)	1 (1.7)	17 (9.9)	6 (5.8)	0.32
Cardiogenic shock	15 (4.5)	0 (0)	9 (5.3)	6 (5.8)	0.12

STEMI: ST-elevation myocardial infarction; NSTEMI: Non ST-elevation myocardial infarction; DES: Drug eluting stent; BMS: Bare metal stent.