Table 2 Calibration parameters in subgroups according to EuroSCORE risk and absence of atrial fibrillation.
From: Validation of EuroSCORE II in atrial fibrillation heart surgery patients from the KROK Registry
EuroSCORE II risk | Observed mortality rate (% and 95% CI) | Expected mortality rate (% and 95% CI) | O:E ratio | O:E dif | P | |
|---|---|---|---|---|---|---|
All patients | Low (N = 22,479) | 1.09 (0.96–1.24) | 1.21 (1.2–1.21) | 0.91 | −0.11 | 0.12 |
Mild (N = 13,761) | 3.39 (3.08–3.68) | 3.09 (3.07–3.1) | 1.1 | 0.29 | 0.053 | |
Moderate (N = 4715) | 8.02 (7.24–8.79) | 6.8 (6.84–6.92) | 1.16 | 1.14 | 0.004 | |
High (N = 1903) | 14.19 (12.62–14.76) | 13.69 (13.57–13.8) | 1.04 | 0.5 | 0.54 | |
Very high (N = 1314) | 35.69 (33.09–38.29) | 37.27 (36.39–38.15) | 0.96 | −1.6 | 0.26 | |
Total (44,172) | 4.14 (3.96–4.34) | 4.01 (3.94–4.08) | 1.03 | 0.14 | 0.2 | |
AF (+) group | Low (N = 1615) | 1.17 (0.65–1.7) | 1.31 (1.29–1.33) | 0.89 | −0.14 | 0.6 |
Mild (N = 2260) | 3.32 (2.58–4.06) | 3.24 (3.2–3.27) | 1.03 | 0.08 | 0.8 | |
Moderate (N = 1159) | 7.85 (6.3–9.4) | 6.92 (6.84–7) | 1.13 | 0.93 | 0.2 | |
High (N = 523) | 13.58 (10.63–16.51) | 13.65 (13.41–13.88) | 0.99 | −0.07 | 0.9 | |
Very high (N = 349) | 33.81 (28.82–38.8) | 37.47 (35.63–39.3) | 0.9 | −3.66 | 0.2 | |
Total (N = 5906) | 6.33 (5.7–7.0) | 6.38 (6.13–6.62) | 0.99 | 0.07 | 0.9 | |
AF (−) group | Low (N = 20,864) | 1.09 (0.95–1.23) | 1.2 (1.19–1.2) | 0.91 | −0.11 | 0.14 |
Mild (N = 11,501) | 3.4 (3.07–3.73) | 3.06 (3.04–3.07) | 1.11 | 0.34 | 0.04 | |
Moderate (N = 3556) | 8.07 (7.18–8.97) | 6.87 (6.82–6.91) | 1.18 | 1.2 | 0.01 | |
High (N = 1380) | 14.42 (12.57–16.27) | 13.71 (13.56–13.85) | 1.05 | 0.71 | 0.45 | |
Very high (N = 965) | 36.37 (33.33–39.41) | 37.2 (36.2–13.85) | 0.98 | −0.82 | 0.61 | |
Total (N = 38,266) | 3.8 (3.61–3.99) | 3.64 (3.58–3.71) | 1.05 | 0.17 | 0.1 | |
