Table 3.

PAISI study visits (according to SPIRIT statement 2013 [28])

	Study period
	Inclu.	Rand.	Post-allocation		Close-out
Study visit Number	1	2	3	4	5
Timepoint	− 1–3 days	day 0)	day 5	day 10 (+5)	day 30 (+5)
Informed consent	X
Inclusion and exclusion criteria	X
Randomization		X
Intervention (IPI with 1500ml NaOCl/HOCl solution)		X
Control (IPI with 1500ml Ringer solution)		X
Demographical data	X
Medical history and Charlson Comorbidity Index	X
Medication with known effects on wound healing	X
Physical examination	X
Type of operation		X
Duration of operation		X
Level of contamination		X
Type and length of incision		X
Abdominal wall closure technique and suture material		X
Presence of an enterostomy		X
Use of wound edge protectors		X
Changing of gloves		X
Placement and type of-intra-abd. drains		X
Postoperative medication with known effects on wound healing			X	X	X
Documentation of SSI			X	X	X
Documentation of other postoperative complications (Clavien Dindo and CCI)			X	X	X
Documentation of re-operation			X	X	X
Documentation of postoperative intra-abd. irrigation via irrigation-suction drainage system			X	X	X
Documentation of AE/SAE of special interest		X	X	X	X
Duration of hospital stay					X