Table 1.
Baseline characteristics of patients according to LVEF.
| EF < 40 (n = 402) | 40 ≤ EF < 50 (n = 293) | EF ≥ 50 (n = 2,057) | Total (n = 2,752) | ||
|---|---|---|---|---|---|
| Male, n (%) | 65.9% | 68.3% | 53.0% | 56.5% | |
| Admitted due to: (when Echocardiogram is taken) | ACS, n (%) | 45 (11.2%) | 56 (19.1%) | 211 (10.3%) | 312 (11.3%) |
| HF, n (%) | 99 (24.6%) | 34 (11.6%) | 68 (3.3%) | 201 (7.3%) | |
| Other causes, n (%) | 258 (64.2%) | 203 (69.3%) | 1,778 (86.4%) | 2,239 (81.4%) | |
| History of: | HF, | 13 (3.2%) | 8 (2.7%) | 12 (0.6%) | 33 (1.2%) |
| n (%) | Previous MI, n (%) | 107 (26.6%) | 87 (29.7%) | 282 (13.7%) | 476 (17.3%) |
| Diabetes, n (%) | 58 (14.4%) | 40 (13.7%) | 160 (7.8%) | 258 (9.4%) | |
| Obstructive Lung Disease, n (%) | 11 (2.74%) | 8 (2.7%) | 63 (3.06%) | 82 (3%) | |
| Blood tests: | Normalized Troponin, (ng/L)/(ng/L) | 1.9 [3.1µ,1.5k] (0.0%) | 1.8 [3.1µ, 1.6k] (0.0%) | 1.9 [3.1µ, 0.59k] (0.0%) | 1.9 [3.1µ,0.96k] (0.0%) |
| Median [95%CI] | Creatinine, µmol/L | 90 [56 450] (<0.1%) | 89 [54 320] (<0.1%) | 78 [50 280] (<0.1%) | 81 [51 320] (<0.1%) |
| (% missing data in group) | Total Cholesterol, mmol/L | 4.0 [2.3,6.6] (23.9%) | 4.1 [2.2,7.0] (27.0%) | 4.3 [2.3,7.1] (33.9%) | 4.2 [2.3,7.0] (31.7%) |
| CRP, mg/L | 11 [0.6,240] (0.7%) | 12 [0.6,230] (3.1%) | 8.2 [0.4,260] (5.0%) | 9.1 [0.4,260] (4.2%) | |
| eGFR, ml/min/1.73 m2 | 66 [12,91] (<0.1%) | 65 [16,91] (<0.1%) | 76 [17,91] (<0.1%) | 74 [15,91] (<0.1%) | |
| Glucose, mmol/L | 6.4 [3.8,19] (30.4%) | 6.4 [4.2,25] (36.5%) | 5.9 [4.0,22] (38.1%) | 6.1 [4.0,22] (36.8%) | |
| Haemoglobin, g/dl | 13 [8.5,130] (<0.1%) | 13 [8.0,120] (<0.1%) | 13 [8.5,130] (0.2%) | 13 [8.5,130] (0.1%) | |
| HbA1c, mmol/mol | 43 [31,100] (54.4%) | 44 [30,98] (45.7%) | 41 [31,98] (57.6%) | 42 [30,99] (55.9%) | |
| HDL Cholesterol, mmol/L | 1.1 [0.48,1.9] (25.4%) | 1.1 [0.59,2.1] (29.0%) | 1.1 [0.46,2.1] (35.7%) | 1.1 [0.46,2.1] (33.5%) | |
| Platelet Count, 109/L | 220 [110,430] (<0.1%) | 210 [110,450] (<0.1%) | 230 [98,460] (0.2%) | 230 [99,450] (0.1%) | |
| Potassium, mmol/L | 4.3 [3.1,5.7] (<0.1%) | 4.3 [3.3,5.8] (<0.1%) | 4.2 [3.2,5.4] (0.4%) | 4.2 [3.2,5.5] (0.3%) | |
| Sodium, mmol/L | 138 [127,145] (<0.1%) | 138 [126,144] (<0.1%) | 138 [128,145] (<0.1%) | 138 [127,145] (<0.1%) | |
| Triglycerides, mmol/L | 1.1 [0.61,3.5] (24.2%) | 1.2 [0.56,3.1] (27.0%) | 1.3 [0.52,4.0] (34.0%) | 1.2 [0.53,3.9] (31.8%) | |
| Urea, mmol/L | 7.2 [3.2,25] (<0.1%) | 7.0 [2.9,26] (<0.1%) | 5.9 [2.4,22] (<0.1%) | 6.2 [2.5,23] (<0.1%) | |
| White blood cell count, 109/L | 9.4 [4.3,20] (<0.1%) | 9.0 [4.3,20] (<0.1%) | 8.6 [4.0,20] (0.2%) | 8.7 [4.1,20] (0.1%) | |
| Rate of readmission with HF within 3 years, (% per year) | 6.42 | 3.45 | 0.91 | 2.02 | |
ACS, acute coronary syndrome; HF, heart failure; MI, myocardial infarction.