Review of Subcutaneous Wound Drainage in Reducing Surgical Site Infections after Laparotomy

Table 3

Studies detailing wound type in the control and drain groups.

Author	Year	Control					Drain
		Number of (%) infections					Number of (%) infections
		Total patients	Clean	Clean contam.	Contaminated	Dirty	Total patients	Clean	Clean contam.	Contaminated	Dirty
Lubowski and Hunt [42]	1987	157	2 (2.8)	4 (5.1)	2 (33.3)	1 (33.3)	192	2 (2.6)	4 (3.8)	2 (20)	0 (0)
Farnell et al. [34]	1986	803	—	27 (4.1)	7 (7.1)	7 (15.1)	815	—	29 (4.4)	4 (3.9)	12 (22.6)