Table 3.

Results of the multivariate logistic regression analysis

	Regression coefficient (B)	Standard error	Wald	df	Sig	Exp(B)	95% CI for EXP(B)
							Lower limit	Upper limit
All patients (N = 510)
Intra-abdominal contamination	0.462	0.212	4.746	1	0.029	0.63	0.415	0.955
Surgical procedures before OAT initiation	0.302	0.106	8.022	1	0.005	0.74	0.6	0.911
NPWT	− 0.915	0.24	14.561	1	< 0.001	2.496	1.56	3.993
DCT	− 0.988	0.252	15.437	1	< 0.001	2.687	1.641	4.4
Only patients with peritonitis (n = 237)
Surgical procedures before OAT initiation	0.434	0.162	7.161	1	0.007	0.648	0.471	0.89
NPWT	− 1.311	0.351	13.932	1	< 0.001	3.71	1.864	7.384
DCT	− 0.819	0.366	5.005	1	0.025	2.269	1.107	4.65
Only patients with ACS (n = 129)
NPWT	− 2.293	0.64	12.831	1	< 0.001	9.9	2.824	34.706

OAT open abdomen treatment, CI confidence interval, NPWT negative-pressure wound therapy, DCT dynamic closure techniques, ACS abdominal compartment syndrome