Table 1 Patient characteristics in the internal dataset grouped by presence of late gadolinium enhancement (LGE) myocardium scar
From: Radiomics and deep learning for myocardial scar screening in hypertrophic cardiomyopathy
|  | All patients (n = 759) | Development cohort (n = 600) | Internal testing cohort (n = 159) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|  | All | LGE + (n = 276) | LGE− (n = 483) | All | LGE + (n = 201) | LGE− (n = 399) | All | LGE + (n = 75) | LGE− (n = 84) |
Male | 504 (66%) | 210 (76%) | 294 (57%) | 387 (63%) | 152 (76%) | 235 (59%) | 117 (74%) | 58 (77%) | 59 (70%) |
Age (years) | 50 ± 16 (52) | 49 ± 16 (52) | 51 ± 16 (53) | 51 ± 16 (52) | 50 ± 16 (51) | 51 ± 17 (53) | 50 ± 15 (52) | 48 ± 16 (52) | 51 ± 15 (52) |
Weight (kg) | 84 ± 18 (82) | 85 ± 18 (82) | 84 ± 17 (82) | 84 ± 18 (82) | 85 ± 19 (82) | 83 ± 17 (81) | 84 ± 15 (38) | 83 ± 15 (80) | 86 ± 16 (82) |
BMI (kg/m2) | 43 ± 14 (39) | 44 ± 19 (39) | 43 ± 18 (39) | 43 ± 19 (39) | 45 ± 21 (40) | 42 ± 18 (39) | 43 ± 16 (38) | 41 ± 15 (37) | 44 ± 16 (39) |
LVEDV (ml) | 147 ± 40 (143) | 155 ± 38 (151) | 142 ± 40 (140) | 146 ± 41 (142) | 156 ± 40 (151) | 141 ± 40 (139) | 149 ± 35 (149) | 152 ± 32 (151) | 147 ± 37 (146) |
LVESV (ml) | 48 ± 22 (43) | 54 ± 26 (48) | 44 ± 18 (41) | 47 ± 22 (42) | 53 ± 27 (47) | 44 ± 19 (41) | 50 ± 21 (46) | 54 ± 24 (49) | 46 ± 17 (42) |
SV (ml) | 99 ± 29 (95) | 102 ± 27 (96) | 97 ± 29 (94) | 99 ± 29 (94) | 103 ± 28 (97) | 97 ± 29 (93) | 99 ± 26 (96) | 98 ± 25 (94) | 100 ± 28 (99) |
LVEF (%) | 68 ± 10 (69) | 66 ± 11 (68) | 69 ± 9 (70) | 68 ± 10 (11) | 66 ± 10 (68) | 69 ± 10 (70) | 67 ± 10 (69) | 65 ± 11 (66) | 69 ± 8 (71) |
CO (l/min) | 7 ± 4 (6) | 7 ± 4 (6) | 7 ± 4 (6) | 7 ± 3 (6) | 7 ± 2 (6) | 7 ± 4 (6) | 7 ± 5 (6) | 7 ± 6 (6) | 7 ± 2 (7) |
LVM (g) | 158 ± 58 (150) | 185 ± 61 (172) | 142 ± 49 (136) | 156 ± 58 (149) | 188 ± 63 (176) | 141 ± 48 (135) | 162 ± 58 (152) | 177 ± 58 (160) | 149 ± 54 (139) |
LV-MWT (mm) | 18 ± 5 (18) | 21 ± 5 (21) | 16 ± 4 (16) | 18 ± 5 (18) | 21 ± 5 (21) | 16 ± 4 (16) | 18 ± 5 (18) | 21 ± 5 (19) | 16 ± 4 (16) |
LGE presence | 276 (36%) | 276 (100%) | 0 | 201 (33%) | 201 (100%) | 0 | 75 (47%) | 75 (100%) | 0 |