Surgery-group (Gr. A)

Control-group (Gr. B)

pg/ml

Mean ± standard dev.

Minimum/maximum

Minimum/maximum

Mean ± standard dev.

pg/ml

1 day pre-OP

28.99 ± 15.3

13.1/59.5

12.7/71.9

32.71 ± 18.6

1 day

4 days post-OP

29.67 ± 17.8

8.7/65.5

10.6/72.5

32.63 ± 18.6

2 days

10 days post-OP

22.99 ± 18.1

7.5/69.6

10.2/74.5

28.93 ± 17.4

3 days

28 days post-OP

25.49 ± 15.0

8.9/71.9

11.3/29.1

28.05 ± 17.6

10 days