Figure 3
The levels of the natural anti-coagulants, anti-thrombin (normal range, 0.83–1.15 IU ml−1) (A), protein C (normal range, 0.74–1.32 IU ml−1) (B) and protein S (normal range, 0.74–1.32 IU ml−1) (C) were all significantly (*P<0.05) decreased in the early post-operative period (days 1–7) but returned to normal levels after post-operative day 7.
