Total | Severe fibrosis | Remainder of the population | P values* | |
(CVF >11.0%) | (CVF ≤11.0%) | |||
Number of subjects | n=53 | n=13 | n=40 | |
RVEDV index, mL/m2 | 195 (177, 209) | 192 (168, 211) | 195 (179, 207) | 0.463 |
RVESV index, mL/m2 | 107 (94, 122) | 107 (90, 116) | 107 (94, 124) | 0.515 |
RVEF, % | 44 (38, 48) | 44 (40, 47) | 43 (37, 49) | 0.992 |
RVSV index, mL/m2 | 88 (73, 98) | 84 (72, 96) | 90 (72, 99) | 0.515 |
RV mass index, g/m2 | 36 (33, 42) | 40 (33, 47) | 36 (33, 40) | 0.227 |
RV mass:volume ratio, g/mL | 0.19 (0.17, 0.21) | 0.20 (0.19, 0.23) | 0.18 (0.17, 0.20) | 0.028 |
PR fraction, % | 47 (40, 57) | 46 (16, 63) | 51 (40, 59) | 0.294 |
LVEDV index, mL/m2 | 89 (74, 98) | 87 (76, 104) | 89 (74, 97) | 0.975 |
LVESV index, mL/m2 | 40 (32, 49) | 46 (42, 49) | 37 (32, 48) | 0.227 |
LVEF, % | 54 (50, 59) | 51 (46, 54) | 56 (51, 60) | 0.041 |
LVSV index, mL/m2 | 46 (41, 56) | 44 (41, 51) | 46 (40, 56) | 0.414 |
LV mass index, g/m2 | 47 (43, 55) | 47 (43, 55) | 45 (42, 55) | 0.627 |
LV mass:volume ratio, g/mL | 0.56 (0.49, 0.61) | 0.55 (0.49, 0.60) | 0.56 (0.49, 0.62) | 0.796 |
RA area, cm2 | 23 (19, 27) | 23 (19, 29) | 23 (19, 27) | 0.679 |
LA area, cm2 | 19 (17, 22) | 19 (14, 21) | 20 (17, 22) | 0.469 |
Data are represented as median (IQR).
↵*Severe fibrosis versus others. Bold values are significant (p value <0.05).
CMR, cardiovascular magnetic resonance; CVF, collagen volume fraction; LA, left atrium; LV, left ventricle; LVEF, left ventricular ejection fraction; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; LVSV, left-ventricular systolic volume; PR, pulmonary regurgitation; PVR, pulmonary valve replacement; RA, right atrium; RV, right ventricle; RVEDV, right ventricular end-diastolic volume; RVESV, right ventricular end-systolic volume; RVSV, right ventricular systolic volume.