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

Table 1

Studies detailing the effects of subcutaneous wound drainage in laparotomies and detailing the outcome by infection rates.

Author	Year	Patients	Drain type	Control				Drain				Calculated value
				Total	SSI	No SSI	% infec.	Total	SSI	No SSI	% infec.	CI 95%
Shaffer et al. [38]	1987	194	Closed suction	92	10	82	10.9	102	11	91	10.8	0.985
Fujii et al. [35]	2011	79	Open	44	17	27	38.6	35	5	30	14.3	0.017
Imada et al. [36]	2013	282	Open	131	8	123	6.1	151	8	143	5.3	0.770
Tochika et al. [39]	2011	100	Closed suction	70	12	58	17.1	30	0	30	0.0	0.016
Cardosi et al. [33]	2006	144	Closed suction	77	15	62	17.5	67	15	52	22.4	0.668
Baier et al. [32]	2010	200	Closed suction	100	9	91	9.0	100	10	90	10.0	0.809
Tsujita et al. [40]	2012	149	Open	88	14	74	15.9	61	2	59	3.3	0.014
Kozol et al. [37]	1986	98	Suction	45	4	41	8.9	53	6	47	11.3	0.692
Farnell et al. [34]	1986	1618	Suction	803	41	762	5.1	815	45	770	5.5	0.709