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Table 3 Mean change in alkaline phosphatase activity measured pre-operatively and on post-operative day 1

From: Alkaline phosphatase activity after cardiothoracic surgery in infants and correlation with post-operative support and inflammation: a prospective cohort study

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

  1. CPB, cardiopulmonary bypass; DSC, delayed sternal closure; CI, confidence interval.