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Duration of ICU stay
| C group | E group | |
| Total | 6.9 ± 1.1 | 8.5 ± 1.0 |
| non-HYB | 4.0 ± 0.3 | 5.8 ± 0.4* |
| HYB | 9.6 ± 1.7† | 10.1 ± 1.2† |
Patients in group C were subjected to open-heart surgery; patients in group E were subjected to oesophagectomy. Both groups were divided into subgroups according to the existence of hyperbilirubinaemia (HYB). Data are expressed as mean ± standard error. *P<0.05, versus patients in the C group; †P<0.05, versus patients without HYB.
