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Mean change in alkaline phosphatase activity measured pre-operatively and on post-operative day 1
| Surgical group | Number | Mean difference, U/L (SD) | 95% CI | P-value |
|---|---|---|---|---|
| No bypass | 9 | -29.9 (26.5) | (- 50.3, -9.5) | < 0.01 |
| CPB | 29 | -114.4 (97.6) | (-152.2, -76.5) | < 0.0001 |
| DSC | 25 | -93.8 (47.1) | (-112.8, -74.7) | <0.0001 |
CPB, cardiopulmonary bypass; DSC, delayed sternal closure; CI, confidence interval.
