Table 2 Imaging findings of MVP patients between two groups
|  | All subjects (n = 85) | SCA/VA group (n = 7) | No-SCA/VA group (n = 78) | P |
|---|---|---|---|---|
Echocardiography | ||||
MR grade | 0.153 | |||
 No | 4 (4.7) | 1 (14.3) | 3 (3.8) |  |
 Mild | 9 (10.6) | 2 (28.6) | 7 (9.0) |  |
 Moderate | 15 (17.6) | 0 (0.0) | 15 (19.2) |  |
 Severe | 57 (67.1) | 4 (57.1) | 53 (67.9) |  |
Involved leaflet | 0.503 | |||
 Anterior | 48 (56.5) | 5 (71.4) | 43 (55.1) |  |
 Posterior | 29 (34.1) | 1 (14.3) | 28 (35.9) |  |
 Both | 8 (9.4) | 1 (14.3) | 7 (9.0) |  |
RVSP (mmHg) | 34.0 (28.0–47.0) | 23.0 (21.0–27.0) | 35.0 (28.0–51.0) | 0.002 |
Ruptured chordae tendinae | 26 (30.6) | 1 (14.3) | 25 (32.1) | 0.583 |
CMR | ||||
LVEF (%) | 60.0 (52.0–68.0) | 51.0 (49.0–66.5) | 60.0 (52.0–68.0) | 0.522 |
LA volume index | 56.5 (35.1–79.7) | 58.2 (40.0–80.0) | 30.0 (29.5–60.2) | 0.111 |
LVEDV index (mL/m2) | 122.3 (99.4–155.1) | 111.6 (83.1–145.3) | 122.5 (100.3–159.5) | 0.480 |
LVESV index (mL/m2) | 50.1 (32.4–72.8) | 54.9 (23.1–74.2) | 49.6 (33.3–72.7) | 0.716 |
RVEF (%) | 53.0 (43.0–60.0) | 55.0 (50.0–60.0) | 53.0 (41.0–59.0) | 0.437 |
RVEDV index (mL/m2) | 90.5 (69.3–129.0) | 96.3 (74.0–118.5) | 90.5 (69.3–128.7) | 0.936 |
RVESV index (mL/m2) | 40.5 (29.8–68.1) | 39.2 (28.2–57.8) | 41.3 (30.5–73.4) | 0.762 |
Prolapse distance (mm) | 6.6 (4.1–8.4) | 8.0 (4.8–9.7) | 6.6 (3.9–8.4) | 0.274 |
Mitral annular disjunction | 13 (15.7) | 3 (42.9) | 10 (13.2) | 0.127 |
Systolic curling motion | 9 (10.8) | 3 (42.9) | 6 (7.9) | 0.027 |
Presence of LGE | 8 (9.4) | 4 (57.1) | 4 (5.1) |  < 0.001 |
LGE volume (g) | 0 (0–0) | 1.3 (0.0–15.1) | 0 (0–0) |  < 0.001 |
LGE proportion (%) | 0 (0–0) | 1.2 (0.0–7.8) | 0 (0–0) |  < 0.001 |