Table 1 Baseline profile between different LVEF groups.
LVEF | All | 40–55% | 55–64% | ≥ 65% |
|---|---|---|---|---|
N(%) | 35,277(100) | 12,753(36.2) | 20,704(58.7) | 1820(5.2) |
Age at imaging | 63.67 ± 7.52 | 64.2 ± 7.61 | 63.31 ± 7.46 | 64.09 ± 7.38 |
Sex | ||||
Male | 16,011(45.4) | 5516(43.3) | 12,442(60.1) | 1308(71.9) |
Female | 19,266(54.6) | 7237(56.8) | 8262(39.9) | 512(28.1) |
Ethnic background | ||||
British | 32,200(91.3) | 11,704(91.8) | 18,862(91.1) | 1634(89.8) |
Others | 3077(8.7) | 1049(8.2) | 1842(8.9) | 186(10.2) |
Education | ||||
College or University degree | 17,395(49.31) | 6095(47.8) | 10,372(50.1) | 928(51) |
A levels/AS levels or equivalent | 4310(12.22) | 1545(12.1) | 2558(12.4) | 207(11.4) |
O levels/GCSEs or equivalent | 6225(17.65) | 2284(17.9) | 3619(17.5) | 322(17.7) |
CSEs or equivalent | 1310(3.71) | 501(3.9) | 750(3.6) | 59(3.2) |
NVQ or equivalent | 1988(5.64) | 817(6.4) | 1083(5.2) | 88(4.8) |
Others | 1713(4.86) | 610(4.8) | 1013(4.9) | 90(5) |
Unknown | 2336(6.62) | 901(7.1) | 1309(6.3) | 126(6.9) |
Townsend deprivation index | -1.92 ± 2.7 | -1.91 ± 2.71 | -1.93 ± 2.71 | -1.92 ± 2.64 |
BMI, kg/m2 | 26.34 ± 4.31 | 26.38 ± 4.31 | 26.3 ± 4.3 | 26.48 ± 4.46 |
Average heart rate, bpm | 62.71 ± 10.24 | 62.8 ± 10.32 | 62.35 ± 10.03 | 66.12 ± 11.38 |
Summed MET, min/week | 2453 ± 2419 | 2502 ± 2481 | 2426 ± 2386 | 2412 ± 2344 |
Smoking status | ||||
Never | 22,267(63.1) | 7837(61.5) | 13,252(64) | 1178(64.7) |
Previous | 11,472(32.5) | 4262(33.4) | 6639(32.1) | 571(31.4) |
Current | 1214(3.4) | 532(4.2) | 628(3) | 54(3) |
Unknown | 324(0.9) | 122(1) | 185(0.9) | 17(0.9) |
Alcohol intake frequency | ||||
Daily | 5823(16.5) | 2159(16.9) | 3374(16.3) | 290(15.9) |
Often | 19,353(54.9) | 6963(54.6) | 11,368(54.9) | 1022(56.2) |
Seldom | 7643(21.7) | 2693(21.1) | 4562(22) | 388(21.3) |
Never | 2229(6.3) | 853(6.7) | 1269(6.1) | 107(5.9) |
Unknown | 229(0.7) | 85(0.7) | 131(0.6) | 13(0.7) |
Comorbidity | ||||
Hypertension | 17,971(50.9) | 6297(49.4) | 10,509(50.8) | 1165(64) |
High cholesterol | 10,981(31.1) | 4087(32.1) | 6303(30.4) | 591(32.5) |
Diabetes | 384(4.9) | 747(5.9) | 961(4.6) | 81(4.5) |