Table 2.

Unadjusted and weighted mortality and readmission outcomes according to early coronary angiography status

Outcomes	Unadjusted outcomes (before IPTW)			Weighted outcomes (after IPTW)
	ECA	No ECA	P-value	ECA	No ECA	P-value	Hazard ratio (95% CI)	P-value
Mortality
All-cause	21.6%	40.4%	<0.001	26.4%	33.8%	<0.001	0.74 (0.61–0.90)	0.002
Cardiovascular	12.8%	23.0%	<0.001	15.0%	19.9%	<0.001	0.72 (0.56–0.93)	0.012
Readmission
All-cause	61.2%	72.3%	<0.001	67.0%	70.4%	0.047	0.91 (0.80–1.02)	0.106
Heart failure	36.4%	48.2%	<0.001	40.9%	44.8%	0.032	0.84 (0.71–0.99)	0.042
Acute MI	7.0%	9.1%	0.040	7.4%	9.0%	0.102	0.73 (0.50–1.08)	0.112

Weighting performed via IPTW.

ECA, early coronary angiography; IPTW, inverse-probability-of-treatment weighting; MI, myocardial infarction.