Table 4.

Risk of death among SMuRF-less AMI patients compared to those with at least one SMuRF (reference) within subgroups.

	Including obesity as a SMuRF Adjusted HR (95% CI)	Excluding obesity as a SMuRF Adjusted HR (95% CI)
In-hospital all-cause mortality
Male	1.32 (0.91–1.92)	1.21 (0.88–1.66)
Female	1.21 (0.71–2.05)	1.17 (0.73–1.85)
Chinese	1.12 (0.77–1.61)	1.10 (0.80–1.51)
Malay	1.42 (0.45–4.55)	1.31 (0.58–3.00)
South Asian	3.13 (1.57–6.23)	2.58 (1.41–4.72)
Young	0.93 (0.55–1.58)	0.85 (0.55–1.32)
Old	1.35 (0.92–1.97)	1.33 (0.96–1.86)
In-hospital cardiovascular mortality
Male	1.08 (0.67–1.75)	1.08 (0.72–1.61)
Female	1.14 (0.63–2.07)	1.10 (0.67–1.83)
Chinese	0.94 (0.61–1.47)	1.02 (0.70–1.48)
Malay	1.66 (0.52–5.30)	1.62 (0.73–3.61)
South Asian	2.69 (0.99–7.33)	2.06 (0.89–4.78)
Young	0.74 (0.34–1.59)	0.74 (0.39–1.37)
Old	1.20 (0.78–1.84)	1.24 (0.86–1.80)
1-year all-cause mortality
Male	1.02 (0.73–1.42)	1.02 (0.77–1.35)
Female	1.07 (0.69–1.67)	1.03 (0.69–1.52)
Chinese	1.03 (0.76–1.41)	1.05 (0.80–1.38)
Malay	0.69 (0.25–1.87)	0.84 (0.41–1.71)
South Asian	1.60 (0.83–3.07)	1.35 (0.76–2.38)
Young	0.94 (0.59–1.49)	0.95 (0.65–1.38)
Old	0.98 (0.71–1.37)	0.97 (0.72–1.30)
1-year cardiovascular mortality
Male	1.08 (0.69–1.69)	1.07 (0.74–1.55)
Female	1.28 (0.75–2.19)	1.18 (0.74–1.89)
Chinese	1.06 (0.70–1.59)	1.10 (0.78–1.54)
Malay	1.53 (0.52–4.53)	1.46 (0.69–3.13)
South Asian	2.02 (0.85–4.83)	1.55 (0.72–3.34)
Young	0.79 (0.40–1.57)	0.81 (0.47–1.40)
Old	1.23 (0.82–1.85)	1.23 (0.87–1.75)

CI, confidence interval; HR, hazard ratio; MI, myocardial infarction.

The following variables were included as covariates in the models used to estimate the adjusted HR: age, Killip class, CPR, creatinine, hemoglobin, MI type (for overall), and anterior infarct (for STEMI).