Table 3.

Potential trial primary outcome by group

	Simple dressing n=131	Glue as-a-dressing n=126	‘No dressing’ n=131	Total n=388
SSI (%)*
4–8 week reference
None	80/97 (82.5)	83/98 (84.7)	90/107 (84.1)	253/302 (83.8)
Superficial	14/97 (14.4)	14/98 (14.3)	17/107 (15.9)	45/302 (14.9)
Deep	3/97 (3.1)	0/98 (0.0)	0/107 (0.0)	3/302 (1.0)
Organ/space	0/97 (0.0)	1/98 (1.0)	0/107 (0.0)	1/302 (0.3)
Overall	17/92 (18.5)	16/90 (17.8)	18/99 (18.2)	51/281 (18.1)

*When the cell denominator is different to number in column header, the difference arises because of missing data for that variable.

SSI, surgical site infection.