From: Hospital variation in transfusion and infection after cardiac surgery: a cohort study
Outcomes: | Number (%) with outcome | Odds ratio for autologous transfusion (95% CI)* | P value | Odds ratio for allogeneic transfusion (95% CI)* | P value |
---|---|---|---|---|---|
Elective surgery: | Â | Â | Â | Â | Â |
   In-hospital infection | 1,305 (11.4%) | 1.02 (0.56, 1.86) | 0.936 | 1.98 (1.59, 2.46) | < 0.001 |
   In-hospital mortality | 325 (2.8%) | 0.96 (0.12, 7.69) | 0.968 | 4.67 (2.38, 9.18) | < 0.001 |
   30-day readmission to hospital | 2,488 (22.3%) | 0.70 (0.44, 1.12) | 0.140 | 1.43 (1.25, 1.65) | < 0.001 |
   30-day readmission for infection | 402 (3.6%) | 0.94 (0.39, 2.24) | 0.881 | 1.09 (0.82, 1.46) | 0.555 |
   30-day post-discharge mortality | 155 (1.4%) | 1.06 (0.13, 8.69) | 0.957 | 2.88 (1.38, 5.98) | 0.005 |
Urgent or emergency surgery: | Â | Â | Â | Â | Â |
   In-hospital infection | 2,702 (20.3%) | 1.99 (1.12, 3.55) | 0.019 | 1.82 (1.51, 2.20) | < 0.001 |
   In-hospital mortality | 637 (4.8%) | 1.24 (0.16, 9.68) | 0.837 | 3.82 (2.18, 6.70) | < 0.001 |
   30-day readmission to hospital | 3,610 (28.5%) | 1.36 (0.79, 2.34) | 0.266 | 1.68 (1.44, 1.96) | < 0.001 |
   30-day readmission for infection | 543 (4.3%) | 1.88 (0.72, 4.90) | 0.199 | 1.39 (1.00, 1.93) | 0.052 |
   30-day post-discharge mortality | 290 (2.3%) | NE | NE | 4.65 (1.90, 11.39) | 0.001 |