Table 2.
EuroSCORE II characteristics by patients' demographic and clinical characteristics; number of patients and relation with mortality. The expected and observed mortality can also be compared by any variable[2].
| Variable | Number of Patients N (%) | Mortality N (%) | Mortality Predicted truly (N) by EuroSCORE II | |
|---|---|---|---|---|
| Gender | Male | 1537 (59.6%) | 40 (47.6%) | 27 |
| Female | 1044 (40.4%) | 44 (52.4%) | 29 | |
| Age | ≤20 | 35 (1.4%) | __ | __ |
| 21-40 | 301 (11.7%) | 6 (7.1%) | 3 | |
| 41-60 | 1215 (47.1%) | 30 (35.7%) | 21 | |
| 61-80 | 979 (37.9%) | 45 (53.6%) | 31 | |
| >80 | 46 (1.8%) | 3 (3.6%) | 1 | |
| BMI (kg/m2) | ≤18.5 | 120 (4.6%) | 10 (11.9%) | 8 |
| [18.5-23] | 608 (23.6%) | 21 (25%) | 14 | |
| [23-25] | 437 (16.9%) | 10 (11.9%) | 8 | |
| [25-30] | 832 (32.2%) | 28 (33.4%) | 21 | |
| >30 | 364 (14.1%) | 7 (8.4%) | 5 | |
| Valve Surgery (weight of the intervention) | Isolated CABG | 2071 (80.2%) | 54 (64.3%) | 37 |
| AVR | 76 (2.9%) | 2 (2.4%) | 2 | |
| MVR | 195 (7.6%) | 14 (16.7%) | 11 | |
| TVR | 16 (0.6%) | 2 (2.4%) | 2 | |
| MVR+TVR | 54 (2.1%) | 4 (4.7%) | 1 | |
| AVR+MVR | 47 (1.8%) | 3 (3.6%) | 2 | |
| ASD+TVR | 10 (0.4%) | __ | __ | |
| ASD | 7 (0.3%) | __ | __ | |
| AVR+MVR+TVR | 18 (0.7%) | 1 (1.2%) | __ | |
| PVR | 10 (0.4%) | __ | __ | |
| 2 procedures | 122 (4.7%) | 7 (8.3%) | 6 | |
| 3 procedures | 19 (0.7%) | 1 (1.2%) | __ | |
| Other | 77 (3%) | 4 (4.7%) | 3 | |
| Ejection fraction | ≤50 | 1150 (44.6%) | 64 (76.1%) | 31 |
| 51-70 | 782 (30.3%) | 19 (22.6%) | 10 | |
| >70 | 20 (0.8%) | 1 (1.2%) | 1 | |
| Diabetes mellitus | Yes | 572 (22.2%) | 32 (38.1%) | 19 |
| No | 2009 (77.8%) | 52 (61.9%) | 37 | |
| COPD | Yes | 56 (2.2%) | 3 (3.6%) | 3 |
| No | 2525 (97.8%) | 81 (96.4%) | 51 | |
| Mortality | Alive | 2497 (96.7%) | N/A | N/A |
| Dead | 84 (3.3%) | N/A | 56 | |
| Previous cardiac surgery | Yes | 8 (0.3%) | 3 (3.6%) | 1 |
| No | 2573 (99.7%) | 81 (96.4%) | 55 | |
| Recent MI | Yes | 161 (6.2%) | 7 (8.3%) | 4 |
| No | 2420 (93.8%) | 77 (91.7%) | 52 | |
| NYHA | Class II | 1008 (37.0%) | 7 (8.3%) | 2 |
| Class III | 957 (37.1%) | 24 (28.5%) | 20 | |
| Class IV | 96(3.6%) | 4 (4.7%) | 4 | |
| Renal failure | Yes | 158 (6.1%) | 14 (16.6%) | 10 |
| No | 2423 (93.9%) | 70 (83.3%) | 46 | |
| Dialysis | Yes | 23 (0.9%) | 2 (2.4%) | 2 |
| No | 2558 (99.1%) | 82 (97.6%) | 54 | |
| Pulmonary hypertension | Yes | 190 (7.3%) | 15 (17.9%) | 10 |
| No | 2391 (92.6%) | 64 (82.1%) | 46 |
BMI=body mass index; CABG=coronary artery bypass grafting; AVR=aortic valve replacement; MVR=mitral valve replacement; TVR=tricuspid valve replacement; ASD=atrial septal defect; PVR=pulmonary valve replacement; COPD=chronic obstructive pulmonary disease; N/A=not applicable; MI=myocardial infarction
aAnalysis by independent-samples t test.
bAnalysis by one-way ANOVA.
Sum of percentages may not result in 100% due to missing data.