Characterization and clinical significance of right ventricular mechanics in pulmonary hypertension evaluated with cardiovascular magnetic resonance feature tracking

Table 4 Cox proportional adjusted hazard ratio for final multivariate models of each RV strain parameter

Models	Hazard ratio	95 % Confidence Interval	P
GLS	1.06	1–1.12	0.026
Cardiac index	0.59	0.4–0.79	0.030
RV mass index	1.02	1–1.04	0.006
Mean PA pressure	0.97	0.95–0.99	0.02
ᅟ
RVEF	0.97	0.94–0.99	0.03
Cardiac index	0.66	0.49–0.90	0.009
RV mass index	1.02	1–1.04	0.02
Mean PA pressure^a	0.97	0.95–0.99	0.02
ᅟ
GLSR	2.52	1.03–6.1	0.04
Cardiac index	0.65	0.48–0.89	0.008
RV mass index	1.03	1.01–1.05	0.033
ᅟ
GCSR	4.5	1.3–15.6	0.01
Cardiac index	0.61	0.46–0.81	0.001
RV mass index	1.02	1–1.04	0.006
Mean PA pressure	0.97	0.95–0.99	0.01

^aModel including global circumferential strain, not shown
GCSR global circumferential strain rate, GLS global longitudinal strain, GLSR global longitudinal strain rate, PA pulmonary artery, RVEF right ventricular ejection fraction

ISSN: 1532-429X