Table 1 Characteristics of patients in the training and validation cohorts
The primary group | p | The validation group | p | |||
|---|---|---|---|---|---|---|
Myxoma (41) | Thrombus (35) | Myxoma (18) | Thrombus (15) | |||
Sex | 0.684 | 0.373 | ||||
Female | 23 (56.1) | 17 (48.6) | 10 (55.6) | 6 (40.0) | ||
Male | 18 (43.9) | 18 (51.4) | 8 (44.4) | 9 (60.0) | ||
Age(years) | 60.98 ± 12.62 | 56.38 ± 15.35 | 0.054 | 62.94 ± 12.92 | 62.27 ± 12.20 | 0.873 |
Clinical manifestation | 0.146 | 0.061 | ||||
Cardiac signs | 27 (55.1) | 30 (73.2) | 9 (45.0) | 13 (86.7) | ||
Embolism | 12 (24.5) | 9 (22.0) | 6 (30.0) | 2 (13.3) | ||
Constitutional symptoms | 3 (6.1) | 1 (2.4) | 2 (10.0) | 0 (0.0) | ||
No symptom | 7 (14.3) | 1 (2.4) | 3 (15.0) | 0 (0.0) | ||
Medical records | 0.011* | 0.010* | ||||
Diabetes mellitus | 3 (6.7) | 3 (3.1) | 4 (26.7) | 4 (10.5) | ||
Hypertension | 9 (20.0) | 7 (7.1) | 5 (33.3) | 5 (13.2) | ||
Atrial fibrillation | 4 (8.9) | 15 (15.3) | 0 (0.0) | 12 (31.6) | ||
Rheumatic heart disease | 2 (4.4) | 28 (28.6) | 0 (0.0) | 5 (13.2) | ||
Heart valves obstruction | 8 (17.8) | 14 (14.3) | 1 (6.7) | 3 (7.9) | ||
Heart valves insufficiency | 12 (26.7) | 19 (19.4) | 5 (33.3) | 5 (13.2) | ||
Others | 7 (15.6) | 12 (12.2) | 0 (0.0) | 4 (10.5) | ||
Heart rate | 82.00 ± 9.26 | 89.51 ± 21.65 | 0.076 | 82.17 ± 12.61 | 87.40 ± 13.34 | 0.244 |
Cardiac murmur | 19 (46.3) | 14 (40.0) | 0.373 | 4 (26.7) | 7 (46.7) | 0.133 |
Naked eye findings | ||||||
Calcification | 8 (19.5) | 4 (11.4) | 0.367 | 2 (11.1) | 3 (20.0) | 0.639 |
Hydrothorax | 4 (9.8) | 9 (25.7) | 0.066 | 1 (5.6) | 6 (40.0) | 0.030* |
Pericardial effusion | 9 (22.0) | 13 (37.1) | 0.146 | 2 (11.1) | 8 (53.3) | 0.020* |
Heart enlargement | 25 (61.0) | 29 (85.3) | 0.036* | 8 (44.4) | 12 (80.0) | 0.037* |
Homogeneous density | 27 (65.9) | 26 (74.3) | 0.425 | 12 (66.7) | 11 (73.3) | 0.722 |
Surface | 0.041* | 0.048* | ||||
Coarse | 24 (58.5) | 12 (34.3) | 11 (61.1) | 4 (26.7) | ||
Smooth | 17 (41.5) | 23 (65.7) | 7 (38.9) | 11 (73.3) | ||
Location | 0.498 | 0.375 | ||||
LA | 37 (90.2) | 29 (82.9) | 16 (88.9) | 11 (73.3) | ||
RA | 4 (9.8) | 6 (17.1) | 2 (11.1) | 4 (26.7) | ||