Study period | |||||||
---|---|---|---|---|---|---|---|
Screening at first consultation or at the day before surgery | Day of operation | POD 1 | POD 3 | Day of discharge | 3 months after operation | 12 months after operation | |
In-/exclusion criteria | X | ||||||
Patient informed consent | X | ||||||
Screening form | X | ||||||
Laboratory tests | X | X | X | ||||
Randomization | X | ||||||
Used surgical technique | X | ||||||
Surgical form | X | ||||||
Morbidity and mortality form | X | X | X | X | X | ||
Drainage analysis | X | X | |||||
Discharge form | X | ||||||
Telephone interview | X | X |