. 2015 Mar;31(2):127–135. doi: 10.6515/ACS20140630F

Table 5. Results of the multivariable linear regression for medical cost data .

	First admission cost (ln-NT$) n = 210		One-year cardiovascular cost (ln-NT$) n = 175
	β	p	β	p
Constant	11.31	< 0.001	12.18	< 0.001
D2B > 90 min	-0.54	0.17	0.11	0.03
Age	0.005	0.004
Killip score*
II	-0.76	0.12
III	0.13	0.29
IV	0.19	0.004
Location of infarction^#
Inferior wall	0.11	0.01
Lateral wall	0.15	0.32
Inferior wall + right ventricle	-0.12	0.88
Result of coronary angiography^†
Two-vessel disease			0.06	0.35
Three-vessel disease			0.14	0.02
Intervention^‡
Bare-mental stent	0.21	0.02
Drug-eluting stent	0.15	0.20
Peak CPK level (ln)	0.05	0.01
Mechanical intervention
IABP	0.37	< 0.001	0.58	< 0.001
ECMO	0.82	< 0.001
CABG during first admission	0.59	0.003
Medical history
Hypertension	-.11	0.01
ESRD	0.53	0.005	0.51	0.006
Smoking history			0.12	0.02
	R² = 0.50		R² = 0.39

Reference group: * Killip I, ^# Anterior wall, ^† One-vessel disease as the reference variable, ^‡ Balloon only.

CABG, coronary artery bypass graft; CI, confidence interval; D2B, door-to-balloon; ECMO, extracorporeal membrane oxygenation; ESRD, end-stage renal disease; IABP, intra-aortic balloon pump.