Table 4 Heritability estimates for CMR and ECG LV phenotypes.
phenotype | number of phenotyped individuals | QTDT | GCTA-GREML | ||||||
|---|---|---|---|---|---|---|---|---|---|
h2QTDT (%) | SE (%) | P-value | no. genotyped | h2IBS>0.05 (%) | SE (%) | P-value | |||
CMR | LVM | 397 | 17 | 9 | 0.0469 | 362 | 27 | 12 | 0.0230 |
LVM index | 397 | 17 | 8 | 0.0402 | 362 | 27 | 12 | 0.0196 | |
LV end-diastolic volume | 405 | 41 | 10 | 3.5E-05 | 369 | 47 | 12 | 7.2E-05 | |
LV end-diastolic volume index | 405 | 42 | 10 | 1.7E-05 | 369 | 47 | 12 | 5.9E-05 | |
LV end-systolic volume* | 397 | 32 | 10 | 0.0012 | 362 | 33 | 12 | 0.0049 | |
LV end-systolic volume index* | 397 | 35 | 10 | 0.0004 | 362 | 36 | 12 | 0.0019 | |
ECG | Cornell voltage | 404 | 25 | 9 | 7.4E-03 | 364 | 21 | 11 | 0.0541 |
Cornell duration | 404 | 29 | 9 | 8.8E-04 | 364 | 26 | 11 | 0.0129 | |
LVM† | 404 | 62 | 9 | 3.5E-11 | 364 | 60 | 10 | 8.5E-09 | |
LVM‡ | 362 | 42 | 16 | 0.0087 | 330 | 43 | 11 | 2.2E-06 | |
Sokolow-Lyon voltage | 404 | 35 | 9 | 0.0001 | 364 | 40 | 11 | 0.0003 | |
Sokolw-Lyon duration | 403 | 57 | 9 | 9.7E-10 | 363 | 60 | 10 | 8.2E-0.9 | |