Prevalence of primary aetiological factors underlying probable (LVEF <50%) and definite left ventricular systolic dysfunction (LVEF <45%) stratified by ethnic group
| Primary aetiological factor | White | Non-white | South Asian | |||
|---|---|---|---|---|---|---|
| LVEF <50% | LVEF <45% | LVEF <50% | LVEF <45% | LVEF <50% | LVEF <45% | |
| Coronary artery disease | 50% | 56% | 73% | 100% | 78% | 100% |
| Alcoholic cardiomyopathy | 18% | 17% | 0% | 0% | 0% | 0% |
| Hypertension | 7% | 11% | 9% | 0% | 0% | 0% |
| Diabetes mellitus | 4% | 0% | 9% | 0% | 11% | 0% |
| Valvar heart disease | 7% | 11% | 0% | 0% | 0% | 0% |
| Unknown | 14% | 6% | 9% | 0% | 11% | 0% |