Table 1 – Characteristics of the study population
Total N=540 Derivation Group N=340 Validation Group N=200
P
Age (years) 79 (71-86) 79 (71-86) 80 (73-85) 0.319
Male 285 (53%) 172 (51%) 113 (57%) 0.184
Height (cm) 165 (160-172) 165 (160-172) 165 (160-173) 0.734
Weight (kg) 75 (65-85) 75 (65-85) 75 (65-87) 0.574
BMI (kg/m2) 26.9 (23.9-30.4) 27 (23.9-29.8) 26.7 (23.7-30.9) 0.641
BSA Mosteller (m2) 1.86 (1.7-2) 1.86 (1.7-2) 1.87 (1.7-2) 0.617
History of HF 146 (27%) 98 (29%) 48 (24%) 0.223
History of AF 228 (42%) 133 (39%) 95 (48%) 0.057
Hypertension 396 (73%) 250 (74%) 146 (73%) 0.893
Diabetes 155 (29%) 99 (29%) 56 (28%) 0.782
CKD 174 (32%) 106 (31%) 68 (34%) 0.782
CAD 202 (37%) 141 (42%) 61 (31%) 0.011
COPD 96 (18%) 70 (21%) 26 (13%) 0.031
Aortic stenosis 57 (11%) 41 (12%) 16 (8%) 0.138
LVEDV (ml) 110 (85-144) 113 (88-145) 108 (82-141) 0.271
LVESV (ml) 55 (35-91) 55 (36-96) 53 (35-83) 0.262
LVEF (%) 50 (35-59) 49 (33-58) 50 (37-59) 0.278
LVOTDM (mm) 22.14 ± 2.04 22.08 ± 1.88 22.23 ± 2.29 0.425
LVOTDBSA (mm) 22.71 ± 1.41 22.69 ± 1.4 22.75 ± 1.44 0.623
LVEDD (mm) 51 (46-57) 51 (46-57) 51 (45-57) 0.264
LVEDDI (mm/m2) 28 (25-31) 28 (25-31) 27 (24-30) 0.07
SVD (mm) 34 (32-37) 34 (32-37) 35 (32-38) 0.252
SVDI (mm/m2) 19 (17-20) 18 (17-20) 19 (17-20) 0.671
Aortic root dilatation 89 (17%) 50 (15%) 39 (20%) 0.179