Table 2.

Outcomes by heart failure status, both pre- and post-matching.

	Before matching			After matching
	No HF	HF	p-Value	No HF	HF	p-Value
In-hospital mortality
Incidence (%)	7.9	14.5	–	13.8	14.4
Univariable OR (95% CI)	Ref	1.97 (1.29–2.95)	<0.01	Ref	1.04 (0.58–1.87)	0.88
60-day mortality
Incidence (%)	10	18.8	–	20.7	17.6
Univariable OR (95% CI)	Ref	2.07 (1.42–2.98)	<0.001	Ref	0.81 (0.48–1.36)	0.43
Intubation
Incidence (%)	17.6	30.1	–	28.7	28.2
Univariable OR (95% CI)	Ref	2.02 (1.47–2.74)	<0.001	Ref	0.97 (0.62–1.53)	0.91
Need for tracheostomy
Incidence (%)	1.9	6.3	–	4.3	4.8
Univariable OR (95% CI)	Ref	3.52 (1.77–6.87)	<0.001	Ref	1.13 (0.42–3.08)	0.80
Need for ICU
Incidence (%)	32.7	48.8	–	43.6	46.8
Univariable OR (95% CI)	Ref	1.97 (1.49–2.60)	<0.001	Ref	1.14 (0.76–1.71)	0.53
Need for pressors
Incidence (%)	16.7	28.9	–	28.2	27.7
Univariable OR (95% CI)	Ref	2.02 (1.47–2.76)	<0.001	Ref	0.97 (0.62–1.53)	0.91
Need for inotropes
Incidence (%)	0.9	6.6	–	2.7	5.3
Univariable OR (95% CI)	Ref	7.58 (3.48–17.4)	<0.001	Ref	2.06 (0.72–6.71)	0.18
Readmitted
Incidence (%)	8.3	27.3	–	11.2	26.6
Univariable OR (95% CI)	Ref	4.17 (2.93–5.91)	<0.001	Ref	2.88 (1.67–5.12)	<0.001

HF = heart failure; OR = odds ratio; CI = confidence interval; Ref = reference; ICU = intensive care unit.