Efficacy of Prophylactic Negative-Pressure Wound Therapy with Delayed Primary Closure for Contaminated Abdominal Wounds

Table 4

The length of postoperative hospital stay according to the wound status.

	n	Length of hospital stay (days)
CDC wound classification			0.80
Class III	15	16 (7–91)
Class IV	7	18 (9–38)
Wound closure method			0.74
Delayed primary closure	11	16 (7–91)
Wound taping	8	20 (9–25)
None	3	12 (9–23)
Surgical site infection			0.07
Incisional	1	13
Organ/space	6	23.5 (18–91)
None	15	13 (7–38)

Data are depicted as median (range). CDC: Centers for Disease Control and Prevention.