Table 3. Univariable analysis for all-cause mortality, composite of mortality and cardiovascular (CV)-related re-admission, CV-related re-admission and heart failure (HF) admission.

	Overall Mortality		Composite of Mortality & CV Re-admission		CV Re-admission		HF Admission
	HR	P value	HR	P value	HR	P value	HR	P value
Gender (male)	0.59	0.17	0.70	0.17	0.71	0.30	0.28	0.17
Age	1.06	0.003	1.04	0.002	1.03	0.12	1.05	0.25
BMI	0.85	0.004	0.97	0.43	1.05	0.24	1.08	0.53
Known CAD	1.79	0.14	1.28	0.32	1.23	0.51	0.86	0.87
Num of Risk Factor	1.31	0.13	1.09	0.45	1.01	0.96	0.76	0.52
FRS (%)	1.06	0.041	1.04	0.032	1.03	0.14	1.08	0.25
AC SSS	1.05	0.013	1.06	<0.001	1.04	0.011	1.04	0.40
NAC SSS	1.06	0.004	1.06	<0.001	1.04	0.013	1.05	0.34
AC SRS	1.07	0.001	1.06	<0.001	1.03	0.28	1.00	0.98
NAC SRS	1.08	<0.001	1.05	<0.001	1.02	0.32	1.00	0.99
AC SDS	1.01	0.80	1.10	<0.001	1.12	<0.001	1.12	0.14
NAC SDS	0.99	0.85	1.08	0.003	1.11	0.001	1.13	0.09
AC SSS group	1.74	0.013	1.05	<0.001	1.37	0.040	1.74	0.27
NAC SSS group	1.92	0.024	1.53	0.005	1.31	0.11	1.65	0.39
AC SRS group	1.79	<0.001	1.38	0.003	1.10	0.51	0.81	0.64
NAC SRS group	1.83	0.001	1.40	0.003	1.15	0.31	1.15	0.72
AC SDS group	1.06	0.75	1.28	0.0495	1.35	0.054	1.70	0.28
NAC SDS group	0.93	0.71	1.22	0.13	1.38	0.07	1.76	0.33
LVEF	0.96	0.002	0.99	0.25	1.01	0.41	0.91	0.003

* SSS group: classifying the severity of MPI by SSS 0–3, 4–8, 8–13, > 13; SRS group: classifying the severity of MPI by SRS 0–3, 4–8, 8–13, > 13; SDS group: classifying the severity of MPI by SDS 0–1, 2–4, 5–8, >8.

** AC: attenuation correction; BMI: body mass index; CAD: coronary artery disease; FRS: Framingham risk score; LVEF: left ventricular ejection fraction; NAC: non-attenuation correction; SSS: summed stress score.