. 2022 Dec 15;9(2):e002124. doi: 10.1136/openhrt-2022-002124

Table 5.

Univariate and multivariable Cox proportional hazard regression analyses of the primary outcome at 1 year, a composite of death and congestive heart failure (CHF)

	Patients who had the primary outcome	Unadjusted		Multivariable-adjusted model*
	Patients who had the primary outcome	HR (95% CI)	P value	HR (95% CI)	P value
Right ventricular (RV) systolic pressure
RV systolic pressure<40 mm Hg	8 (16%)	3.60 (1.33 to 9.69)	0.011	3.64 (1.12 to 15.5)	0.026
RV systolic pressure $\geq$ 40 mm Hg	8 (61%)	3.60 (1.33 to 9.69)	0.011	3.64 (1.12 to 15.5)	0.026
Right ventricular diastolic pressure
RV diastolic pressure<10 mm Hg	4 (12%)	3.48 (1.11 to 10.8)	0.031	3.18 (1.02 to 9.97)	0.036
RV diastolic pressure $\geq$ 10 mm Hg	12 (40%)	3.48 (1.11 to 10.8)	0.031	3.18 (1.02 to 9.97)	0.036
Pulmonary artery mean pressure
PA mean pressure<30 mm Hg	9 (18%)	3.05 (1.12 to 8.24)	0.028	2.06 (0.54 to 7.85)	0.10
PA mean pressure $\geq$ 30 mm Hg	7 (64%)	3.05 (1.12 to 8.24)	0.028	2.06 (0.54 to 7.85)	0.10

*Adjusted for clinical risk score, comprised of age, gender, history of stroke, haemodialysis, chronic lung disease, ejection fraction, New York Heart Association class and reoperation) (17) and atrial fibrillation.