Table 2 Differences in patient characteristics, RBC transfusion and mortality according to propensity score subgroups
From: Intra-operative red blood cell transfusion and mortality after cardiac surgery
Q1 (n = 683) | Q2 (n = 684) | Q3 (n = 684) | Q4 (n = 683) | |||||
|---|---|---|---|---|---|---|---|---|
RBC - (n = 672) | RBC + (n = 11) | RBC - (n = 665) | RBC + (n = 19) | RBC - (n = 612) | RBC + (n = 72) | RBC - (n = 360) | RBC + (n = 323) | |
Age, y | 63 [56–68] | 61 [57–65] | 66 [59–71] | 68 [64–77] | 70 [63–75] | 69 [63–76] | 74 [68–79] | 75 [71–80] |
EuroSCORE | 2 [1–4] | 2 [1–2] | 3 [1–4] | 4 [2–6] | 4 [3–6] | 4 [3–6] | 6 [5–8] | 7 [5–9] ** |
Hemoglobin, mmol/l | 9.5 [9.1–9.8] | 9.6 [9.3–9.8] | 8.8 [8.5–9.2] | 8.9 [8.4–9.1] | 8.4 [8.0–8.8] | 8.5 [8.0–8.8] | 7.8 [7.2–8.3] | 7.4 [6.8–7.9] ** |
CABG + AVR, n (%) | 9 (1) | 0 | 36 (5) | 0 | 78 (13) | 13 (18) | 89 (28) | 139 (39)** |
Duration procedure, min | 172 [148–199] | 142 [115–230] | 197 [169–226] | 189 [178–225] | 200 [169–236] | 206 [177–235] | 214 [180–252] | 229 [195–275] ** |
Mortality, n (%) | 3 (0.4) | 0 | 5 (0.8) | 0 | 11 (1.8) | 4 (5.6) * | 4 (1.1) | 31 (9.6)** |